2021-02-02
Published Date
Software & Services
Industry
114
Pages
Global Physical Security Information Management(PSIM) Market has been getting lots of traction from different emerging countries and regions, the market is expected to change % in terms of year on year growth. To study the impact of COVID-19, the research has been segmented by Type, By Application, By Regions and By Companies. The report will shed light on very important growth aspect of Physical Security Information Management(PSIM) and is a must have data for all the companies, investors, decision makers, top level executives and readers.
The global Physical Security Information Management(PSIM) market size is projected to reach US$ XX million by 2027, from US$ XX million in 2020, at a CAGR of X.X% during 2021-2027.
The segmental analysis of the report provides detailed analysis on Revenue, Growth, Forecast By Region, Type and Applications for the period 2016-2027.
The major vendors covered:
CNL
VidSys
Proximex
TycoIS
NICE Systems
Nanodems
Matryx
Qognify
Vidsys
AxxonSoft
TITAN
Bold Technologies
FullTech
ESB Systems
Milestone Systems
PRYSM SOFTWARE
S2 Security
Verint Systems
VideoNEXT Network Solutions
Physical Security Information Management(PSIM)Market Analysis By Type Segment:
Access Control Systems
Electronic Article Surveillance
Fire Detection Systems
Intrusion Detection Systems
Computer Aided Dispatch Systems
Other
Key data provided:
Market Size By Application
Market Share By Application
Compound Annual Growth Rate (CAGR)
Historic Data From 2016-2020
Forecast Data From 2021-2027
Physical Security Information Management(PSIM) Market Analysis By Application Segment:
Energy, Oil & Gas
Healthcare
Homeland Defense
Travel & Transportation
Education
Other
Key data provided:
Market Size By Application
Market Share By Application
Compound Annual Growth Rate (CAGR)
Historic Data From 2016-2020
Forecast Data From 2021-2027
Physical Security Information Management(PSIM) Market Analysis By Regions (Countries):-
The Physical Security Information Management(PSIM) Market has been thoroughly researched with the help of Primary and Secondary Research and has been validated by conducting interviews with industry experts across all the regions. As it is global study, we have included all the regions i.e. North America, Europe, Asia-Pacific, Latin America, Middle East and Africa.
Bottom Up approach has been used to derive and define the market size and shares of regions. Regions such as U.S., Canada, Germany, France, U.K., Italy, Russia, China, Japan, South Korea, India, Australia, Taiwan, Indonesia, Thailand, Malaysia, Philippines, Vietnam, Mexico, Brazil, Turkey, Saudi Arabia, U.A.E, etc. has been taken into consideration while deriving the market size and shares of regions.
Key Details of Regions and Countries of Physical Security Information Management(PSIM) Report:
North America
Europe
Asia Pacific
Latin America
Middle East and Africa
Key data provided:
Market Size By Regions and Countries
Market Share By Regions and Countries
Compound Annual Growth Rate (CAGR)
Historic Data From 2016-2020
Forecast Data From 2021-2027
Competitive Landscape of Physical Security Information Management(PSIM) Market:
Physical Security Information Management(PSIM) market competitive landscape analysis sheds light on the current market structure by players. The report will help the readers to understand some most important questions of the global market.
Key Questions Answered in Competitive Landscape-
List of Key Players
Revenue By players
Market share of players
Product Offerings
The study objectives are:
To analyze and research the Physical Security Information Management(PSIM) Market status and future forecast in North America, Europe, APAC and MEA involving value (revenue), growth rate (CAGR), market share, historical and forecast.
To present the key Physical Security Information Management(PSIM) Market analysis of companies and present revenue, market share, and recent development for key players.
To split the breakdown data by regions, type, companies and applications
To analyze the global and key regions market potential and advantage, opportunity and challenge, restraints and risks.
To identify significant trends, drivers, influence factors in global and regions
To analyze competitive developments such as expansions, agreements, new product launches, and acquisitions in the market
Available Customizations in The Report:
We can add additional companies as per your choice in the report
We can add specific country/countries of your choice
Investment Analysis in specific country
*Data is subject to availability
Table of Contents
1 Report Overview
1.1 Study Scope
1.2 Key Market Segments
1.3 Players Covered
1.4 Market Analysis by Type
1.4.1 Global Physical Security Information Management(PSIM) Market Size Growth Rate by Type (2016-2027)
1.4.2 Access Control Systems
1.4.3 Electronic Article Surveillance
1.4.4 Fire Detection Systems
1.4.5 Intrusion Detection Systems
1.4.6 Computer Aided Dispatch Systems
1.4.7 Other
1.5 Market by Application
1.5.1 Global Physical Security Information Management(PSIM) Market Share by Application (2016-2027)
1.5.2 Energy, Oil & Gas
1.5.3 Healthcare
1.5.4 Homeland Defense
1.5.5 Travel & Transportation
1.5.6 Education
1.5.7 Other
1.6 Study Objectives
1.7 Years Considered
2 Global Growth Trends
2.1 Physical Security Information Management(PSIM) Market Size
2.2 Physical Security Information Management(PSIM) Growth Trends by Regions
2.2.1 Physical Security Information Management(PSIM) Market Size by Regions (2016-2027)
2.2.2 Physical Security Information Management(PSIM) Market Share by Regions (2016-2020)
2.3 Industry Trends
2.3.1 Market Top Trends
2.3.2 Market Drivers
2.3.3 Market Opportunities
3 Market Share by Key Players
3.1 Physical Security Information Management(PSIM) Market Size by Manufacturers
3.1.1 Global Physical Security Information Management(PSIM) Revenue by Manufacturers (2016-2020)
3.1.2 Global Physical Security Information Management(PSIM) Revenue Market Share by Manufacturers (2016-2020)
3.1.3 Global Physical Security Information Management(PSIM) Market Concentration Ratio (CR5 and HHI)
3.2 Physical Security Information Management(PSIM) Key Players Head office and Area Served
3.3 Key Players Physical Security Information Management(PSIM) Product/Solution/Service
3.4 Date of Enter into Physical Security Information Management(PSIM) Market
3.5 Mergers & Acquisitions, Expansion Plans
4 Breakdown Data by Type and Application
4.1 Global Physical Security Information Management(PSIM) Market Size by Type (2016-2020)
4.2 Global Physical Security Information Management(PSIM) Market Size by Application (2016-2020)
5 United States
5.1 United States Physical Security Information Management(PSIM) Market Size (2016-2020)
5.2 Physical Security Information Management(PSIM) Key Players in United States
5.3 United States Physical Security Information Management(PSIM) Market Size by Type
5.4 United States Physical Security Information Management(PSIM) Market Size by Application
6 Europe
6.1 Europe Physical Security Information Management(PSIM) Market Size (2016-2020)
6.2 Physical Security Information Management(PSIM) Key Players in Europe
6.3 Europe Physical Security Information Management(PSIM) Market Size by Type
6.4 Europe Physical Security Information Management(PSIM) Market Size by Application
7 China
7.1 China Physical Security Information Management(PSIM) Market Size (2016-2020)
7.2 Physical Security Information Management(PSIM) Key Players in China
7.3 China Physical Security Information Management(PSIM) Market Size by Type
7.4 China Physical Security Information Management(PSIM) Market Size by Application
8 Japan
8.1 Japan Physical Security Information Management(PSIM) Market Size (2016-2020)
8.2 Physical Security Information Management(PSIM) Key Players in Japan
8.3 Japan Physical Security Information Management(PSIM) Market Size by Type
8.4 Japan Physical Security Information Management(PSIM) Market Size by Application
9 Southeast Asia
9.1 Southeast Asia Physical Security Information Management(PSIM) Market Size (2016-2020)
9.2 Physical Security Information Management(PSIM) Key Players in Southeast Asia
9.3 Southeast Asia Physical Security Information Management(PSIM) Market Size by Type
9.4 Southeast Asia Physical Security Information Management(PSIM) Market Size by Application
10 India
10.1 India Physical Security Information Management(PSIM) Market Size (2016-2020)
10.2 Physical Security Information Management(PSIM) Key Players in India
10.3 India Physical Security Information Management(PSIM) Market Size by Type
10.4 India Physical Security Information Management(PSIM) Market Size by Application
11 Central & South America
11.1 Central & South America Physical Security Information Management(PSIM) Market Size (2016-2020)
11.2 Physical Security Information Management(PSIM) Key Players in Central & South America
11.3 Central & South America Physical Security Information Management(PSIM) Market Size by Type
11.4 Central & South America Physical Security Information Management(PSIM) Market Size by Application
12 International Players Profiles
12.1 CNL
12.1.1 CNL Company Details
12.1.2 Company Description and Business Overview
12.1.3 Physical Security Information Management(PSIM) Introduction
12.1.4 CNL Revenue in Physical Security Information Management(PSIM) Business (2020)
12.1.5 CNL Recent Development
12.2 VidSys
12.2.1 VidSys Company Details
12.2.2 Company Description and Business Overview
12.2.3 Physical Security Information Management(PSIM) Introduction
12.2.4 VidSys Revenue in Physical Security Information Management(PSIM) Business (2020)
12.2.5 VidSys Recent Development
12.3 Proximex
12.3.1 Proximex Company Details
12.3.2 Company Description and Business Overview
12.3.3 Physical Security Information Management(PSIM) Introduction
12.3.4 Proximex Revenue in Physical Security Information Management(PSIM) Business (2020)
12.3.5 Proximex Recent Development
12.4 TycoIS
12.4.1 TycoIS Company Details
12.4.2 Company Description and Business Overview
12.4.3 Physical Security Information Management(PSIM) Introduction
12.4.4 TycoIS Revenue in Physical Security Information Management(PSIM) Business (2020)
12.4.5 TycoIS Recent Development
12.5 NICE Systems
12.5.1 NICE Systems Company Details
12.5.2 Company Description and Business Overview
12.5.3 Physical Security Information Management(PSIM) Introduction
12.5.4 NICE Systems Revenue in Physical Security Information Management(PSIM) Business (2020)
12.5.5 NICE Systems Recent Development
12.6 Nanodems
12.6.1 Nanodems Company Details
12.6.2 Company Description and Business Overview
12.6.3 Physical Security Information Management(PSIM) Introduction
12.6.4 Nanodems Revenue in Physical Security Information Management(PSIM) Business (2020)
12.6.5 Nanodems Recent Development
12.7 Matryx
12.7.1 Matryx Company Details
12.7.2 Company Description and Business Overview
12.7.3 Physical Security Information Management(PSIM) Introduction
12.7.4 Matryx Revenue in Physical Security Information Management(PSIM) Business (2020)
12.7.5 Matryx Recent Development
12.8 Qognify
12.8.1 Qognify Company Details
12.8.2 Company Description and Business Overview
12.8.3 Physical Security Information Management(PSIM) Introduction
12.8.4 Qognify Revenue in Physical Security Information Management(PSIM) Business (2020)
12.8.5 Qognify Recent Development
12.9 Vidsys
12.9.1 Vidsys Company Details
12.9.2 Company Description and Business Overview
12.9.3 Physical Security Information Management(PSIM) Introduction
12.9.4 Vidsys Revenue in Physical Security Information Management(PSIM) Business (2020)
12.9.5 Vidsys Recent Development
12.10 AxxonSoft
12.10.1 AxxonSoft Company Details
12.10.2 Company Description and Business Overview
12.10.3 Physical Security Information Management(PSIM) Introduction
12.10.4 AxxonSoft Revenue in Physical Security Information Management(PSIM) Business (2020)
12.10.5 AxxonSoft Recent Development
12.11 TITAN
12.12 Bold Technologies
12.13 FullTech
12.14 ESB Systems
12.15 Milestone Systems
12.16 PRYSM SOFTWARE
12.17 S2 Security
12.18 Verint Systems
12.19 VideoNEXT Network Solutions
13 Market Forecast 2021-2027
13.1 Market Size Forecast by Regions
13.2 United States
13.3 Europe
13.4 China
13.5 Japan
13.6 Southeast Asia
13.7 India
13.8 Central & South America
13.9 Market Size Forecast by Product (2021-2027)
13.10 Market Size Forecast by Application (2021-2027)
14 Analyst's Viewpoints/Conclusions
15 Appendix
15.1 Research Methodology
15.1.1 Methodology/Research Approach
15.1.1.1 Research Programs/Design
15.1.1.2 Market Size Estimation
12.1.1.3 Market Breakdown and Data Triangulation
15.1.2 Data Source
15.1.2.1 Secondary Sources
15.1.2.2 Primary Sources
15.2 Disclaimer
15.3 Author Details
List of Tables and Figures
List of Tables and Figures
Table Physical Security Information Management(PSIM) Key Market Segments
Table Key Players Physical Security Information Management(PSIM) Covered
Table Global Physical Security Information Management(PSIM) Market Size Growth Rate by Type 2016-2027 (Million US$)
Figure Global Physical Security Information Management(PSIM) Market Size Market Share by Type 2016-2027
Figure Access Control Systems Figures
Table Key Players of Access Control Systems
Figure Electronic Article Surveillance Figures
Table Key Players of Electronic Article Surveillance
Figure Fire Detection Systems Figures
Table Key Players of Fire Detection Systems
Figure Intrusion Detection Systems Figures
Table Key Players of Intrusion Detection Systems
Figure Computer Aided Dispatch Systems Figures
Table Key Players of Computer Aided Dispatch Systems
Figure Other Figures
Table Key Players of Other
Table Global Physical Security Information Management(PSIM) Market Size Growth by Application 2016-2027 (Million US$)
Figure Energy, Oil & Gas Case Studies
Figure Healthcare Case Studies
Figure Homeland Defense Case Studies
Figure Travel & Transportation Case Studies
Figure Education Case Studies
Figure Other Case Studies
Figure Physical Security Information Management(PSIM) Report Years Considered
Table Global Physical Security Information Management(PSIM) Market Size 2016-2027 (Million US$)
Figure Global Physical Security Information Management(PSIM) Market Size and Growth Rate 2016-2027 (Million US$)
Table Global Physical Security Information Management(PSIM) Market Size by Regions 2016-2027 (Million US$)
Table Global Physical Security Information Management(PSIM) Market Size by Regions 2016-2020 (Million US$)
Table Global Physical Security Information Management(PSIM) Market Share by Regions 2016-2020
Figure Global Physical Security Information Management(PSIM) Market Share by Regions 2016-2020
Figure Global Physical Security Information Management(PSIM) Market Share by Regions 2019
Table Market Top Trends
Table Global Physical Security Information Management(PSIM) Revenue by Manufacturers (2016-2020) (Million US$)
Table Global Physical Security Information Management(PSIM) Market Share by Manufacturers (2016-2020)
Figure Global Physical Security Information Management(PSIM) Market Share by Manufacturers in 2020
Table Global Physical Security Information Management(PSIM) Manufacturers Market Concentration Ratio (CR5 and HHI)
Table Key Players Head office and Area Served
Table Key Players Physical Security Information Management(PSIM) Product/Solution/Service
Table Date of Enter into Physical Security Information Management(PSIM) Market
Table Mergers & Acquisitions, Expansion Plans
Table Global Physical Security Information Management(PSIM) Market Size by Type (2016-2020) (Million US$)
Table Global Physical Security Information Management(PSIM) Market Size Share by Type (2016-2020)
Figure Global Physical Security Information Management(PSIM) Market Size Market Share by Type (2016-2020)
Table Global Physical Security Information Management(PSIM) Market Size by Application (2016-2020) (Million US$)
Table Global Physical Security Information Management(PSIM) Market Size Share by Application (2016-2020)
Figure Global Physical Security Information Management(PSIM) Market Size Market Share by Application (2016-2020)
Figure Global Physical Security Information Management(PSIM) Revenue Market Share by Application in 2020
Figure United States Physical Security Information Management(PSIM) Market Size 2016-2020 (Million US$)
Table United States Key Players Physical Security Information Management(PSIM) Revenue (2019-2020) (Million US$)
Table United States Key Players Physical Security Information Management(PSIM) Market Share (2019-2020)
Table United States Physical Security Information Management(PSIM) Market Size by Type (2016-2020) (Million US$)
Table United States Physical Security Information Management(PSIM) Market Share by Type (2016-2020)
Table United States Physical Security Information Management(PSIM) Market Size by Application (2016-2020) (Million US$)
Table United States Physical Security Information Management(PSIM) Market Share by Application (2016-2020)
Figure Europe Physical Security Information Management(PSIM) Market Size 2016-2020 (Million US$)
Table Europe Key Players Physical Security Information Management(PSIM) Revenue (2019-2020) (Million US$)
Table Europe Key Players Physical Security Information Management(PSIM) Market Share (2019-2020)
Table Europe Physical Security Information Management(PSIM) Market Size by Type (2016-2020) (Million US$)
Table Europe Physical Security Information Management(PSIM) Market Share by Type (2016-2020)
Table Europe Physical Security Information Management(PSIM) Market Size by Application (2016-2020) (Million US$)
Table Europe Physical Security Information Management(PSIM) Market Share by Application (2016-2020)
Figure China Physical Security Information Management(PSIM) Market Size 2016-2020 (Million US$)
Table China Key Players Physical Security Information Management(PSIM) Revenue (2019-2020) (Million US$)
Table China Key Players Physical Security Information Management(PSIM) Market Share (2019-2020)
Table China Physical Security Information Management(PSIM) Market Size by Type (2016-2020) (Million US$)
Table China Physical Security Information Management(PSIM) Market Share by Type (2016-2020)
Table China Physical Security Information Management(PSIM) Market Size by Application (2016-2020) (Million US$)
Table China Physical Security Information Management(PSIM) Market Share by Application (2016-2020)
Figure Japan Physical Security Information Management(PSIM) Market Size 2016-2020 (Million US$)
Table Japan Key Players Physical Security Information Management(PSIM) Revenue (2019-2020) (Million US$)
Table Japan Key Players Physical Security Information Management(PSIM) Market Share (2019-2020)
Table Japan Physical Security Information Management(PSIM) Market Size by Type (2016-2020) (Million US$)
Table Japan Physical Security Information Management(PSIM) Market Share by Type (2016-2020)
Table Japan Physical Security Information Management(PSIM) Market Size by Application (2016-2020) (Million US$)
Table Japan Physical Security Information Management(PSIM) Market Share by Application (2016-2020)
Figure Southeast Asia Physical Security Information Management(PSIM) Market Size 2016-2020 (Million US$)
Table Southeast Asia Key Players Physical Security Information Management(PSIM) Revenue (2019-2020) (Million US$)
Table Southeast Asia Key Players Physical Security Information Management(PSIM) Market Share (2019-2020)
Table Southeast Asia Physical Security Information Management(PSIM) Market Size by Type (2016-2020) (Million US$)
Table Southeast Asia Physical Security Information Management(PSIM) Market Share by Type (2016-2020)
Table Southeast Asia Physical Security Information Management(PSIM) Market Size by Application (2016-2020) (Million US$)
Table Southeast Asia Physical Security Information Management(PSIM) Market Share by Application (2016-2020)
Figure India Physical Security Information Management(PSIM) Market Size 2016-2020 (Million US$)
Table India Key Players Physical Security Information Management(PSIM) Revenue (2019-2020) (Million US$)
Table India Key Players Physical Security Information Management(PSIM) Market Share (2019-2020)
Table India Physical Security Information Management(PSIM) Market Size by Type (2016-2020) (Million US$)
Table India Physical Security Information Management(PSIM) Market Share by Type (2016-2020)
Table India Physical Security Information Management(PSIM) Market Size by Application (2016-2020) (Million US$)
Table India Physical Security Information Management(PSIM) Market Share by Application (2016-2020)
Figure Central & South America Physical Security Information Management(PSIM) Market Size 2016-2020 (Million US$)
Table Central & South America Key Players Physical Security Information Management(PSIM) Revenue (2019-2020) (Million US$)
Table Central & South America Key Players Physical Security Information Management(PSIM) Market Share (2019-2020)
Table Central & South America Physical Security Information Management(PSIM) Market Size by Type (2016-2020) (Million US$)
Table Central & South America Physical Security Information Management(PSIM) Market Share by Type (2016-2020)
Table Central & South America Physical Security Information Management(PSIM) Market Size by Application (2016-2020) (Million US$)
Table Central & South America Physical Security Information Management(PSIM) Market Share by Application (2016-2020)
Table CNL Company Details
Table CNL Revenue in Physical Security Information Management(PSIM) Business (2016-2020) (Million US$)
Figure CNL Revenue Growth Rate in Physical Security Information Management(PSIM) Business (2016-2020)
Table CNL Recent Development
Table VidSys Company Details
Table VidSys Revenue in Physical Security Information Management(PSIM) Business (2016-2020)(Million US$)
Figure VidSys Revenue Growth Rate in Physical Security Information Management(PSIM) Business (2016-2020)
Table VidSys Recent Development
Table Proximex Company Details
Table Proximex Revenue in Physical Security Information Management(PSIM) Business (2016-2020)(Million US$)
Figure Proximex Revenue Growth Rate in Physical Security Information Management(PSIM) Business (2016-2020)
Table Proximex Recent Development
Table TycoIS Company Details
Table TycoIS Revenue in Physical Security Information Management(PSIM) Business (2016-2020)(Million US$)
Figure TycoIS Revenue Growth Rate in Physical Security Information Management(PSIM) Business (2016-2020)
Table TycoIS Recent Development
Table NICE Systems Company Details
Table NICE Systems Revenue in Physical Security Information Management(PSIM) Business (2016-2020)(Million US$)
Figure NICE Systems Revenue Growth Rate in Physical Security Information Management(PSIM) Business (2016-2020)
Table NICE Systems Recent Development
Table Nanodems Company Details
Table Nanodems Revenue in Physical Security Information Management(PSIM) Business (2016-2020)(Million US$)
Figure Nanodems Revenue Growth Rate in Physical Security Information Management(PSIM) Business (2016-2020)
Table Nanodems Recent Development
Table Matryx Company Details
Table Matryx Revenue in Physical Security Information Management(PSIM) Business (2016-2020)(Million US$)
Figure Matryx Revenue Growth Rate in Physical Security Information Management(PSIM) Business (2016-2020)
Table Matryx Recent Development
Table Qognify Company Details
Table Qognify Revenue in Physical Security Information Management(PSIM) Business (2016-2020)(Million US$)
Figure Qognify Revenue Growth Rate in Physical Security Information Management(PSIM) Business (2016-2020)
Table Qognify Recent Development
Table Vidsys Company Details
Table Vidsys Revenue in Physical Security Information Management(PSIM) Business (2016-2020)(Million US$)
Figure Vidsys Revenue Growth Rate in Physical Security Information Management(PSIM) Business (2016-2020)
Table Vidsys Recent Development
Table AxxonSoft Company Details
Table AxxonSoft Revenue in Physical Security Information Management(PSIM) Business (2016-2020)(Million US$)
Figure AxxonSoft Revenue Growth Rate in Physical Security Information Management(PSIM) Business (2016-2020)
Table AxxonSoft Recent Development
Table TITAN Company Details
Table Bold Technologies Company Details
Table FullTech Company Details
Table ESB Systems Company Details
Table Milestone Systems Company Details
Table PRYSM SOFTWARE Company Details
Table S2 Security Company Details
Table Verint Systems Company Details
Table VideoNEXT Network Solutions Company Details
Table Global Physical Security Information Management(PSIM) Market Size by Regions (Million US$) 2021-2027
Figure Global Physical Security Information Management(PSIM) Market Size Share by Regions (2021-2027)
Figure Global Physical Security Information Management(PSIM) Market Size Share by Regions in 2027
Figure United States Physical Security Information Management(PSIM) Market Size Forecast (2021-2027)(Million USD)
Figure Europe Physical Security Information Management(PSIM) Market Size Forecast (2021-2027)(Million USD)
Figure China Physical Security Information Management(PSIM) Market Size Forecast (2021-2027)(Million USD)
Figure Japan Physical Security Information Management(PSIM) Market Size Forecast (2021-2027)(Million USD)
Figure Southeast Asia Physical Security Information Management(PSIM) Market Size Forecast (2021-2027)(Million USD)
Figure India Physical Security Information Management(PSIM) Market Size Forecast (2021-2027)(Million USD)
Figure Central & South America Physical Security Information Management(PSIM) Market Size Forecast (2021-2027)(Million USD)
Table Global Physical Security Information Management(PSIM) Market Size by Product (2021-2027) (Million US$)
Figure Global Physical Security Information Management(PSIM) Market Size by Product (2021-2027)
Figure Global Physical Security Information Management(PSIM) Market Size by Product in 2027
Table Global Physical Security Information Management(PSIM) Market Size by Application (2021-2027) (Million US$)
Figure Global Physical Security Information Management(PSIM) Market Size by Application (2021-2027)
Figure Global Physical Security Information Management(PSIM) Market Size by Application in 2027
Table Research Programs/Design for This Report
Figure Bottom-up and Top-down Approaches for This Report
Figure Data Triangulation
Table Key Data Information from Secondary Sources
Table Key Data Information from Primary Sources