The latest study on Voice-Directed Warehousing Solutions Market by Read Market Research provides a detailed summary and overview of the global market. The base year considered in this report is considered 2020 whereas information for 2021 is estimated and forecast from 2022 till 2027. The CAGR (Compound Annual Growth Rate) period of this report is 2021-2027. The Global Voice-Directed Warehousing Solutions Market is valued at USD XX Million in the year 2020 and is estimated to grow at USD XX Million by the end of year 2027.The report will shed light on very important growth aspect of Voice-Directed Warehousing Solutions and is a must have data for all the companies, investors, decision makers, top level executives and readers.
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:
Honeywell
Dematic
Voiteq Ltd
Ehrhardt + Partner Group
Zebra Technologies
Lucas Systems
Speech Interface Design
Voxware
Zetes Industries
Ivanti
Business Computer Projects
Symphony EYC Solution
Voice-Directed Warehousing Solutions Market Analysis By Type Segment:
Voice-Directed Warehousing Platform
Services
Voice-Directed Warehousing Solutions Market Analysis By Application Segment:
Electrical & Electronics
Food & Beverage
Pharmaceutical
E-Commerce
Retail
Tracking, Logistics, & Transport
Others
Voice-Directed Warehousing Solutions Market Analysis By Regions (Countries):
The Voice-Directed Warehousing Solutions Market has been thoroughly researched with the help of Primary and Secondary Research and has been validated by conduction interviews with industry experts across all the regions. As it is global study, we have included all the major regions.
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 Voice-Directed Warehousing Solutions Report:
United States
Europe
China
Japan
Southeast Asia
India
Central & South America
Key data provided:
Market Size of Regions
Market Share of Regions
Compound Annual Growth Rate (CAGR)
Historic Data From 2016-2020
Forecast Data From 2021-2027
Competitive Landscape of Voice-Directed Warehousing Solutions Market:
Voice-Directed Warehousing Solutions 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-
Detailed information about Key Top Competitors in the Global Voice-Directed Warehousing Solutions Market
What is the expected Market size and growth rate of the Voice-Directed Warehousing Solutions market for the forecast period
Where is the largest and fastest growing market for Voice-Directed Warehousing Solutions market
How does the market relate to the overall economy, demography and other similar markets
What forces will shape the market going forward
Can I include additional segmentation / market segmentation
Voice-Directed Warehousing Solutions market global report answers all these questions and many more.
The study objectives are:
To analyze and research the Voice-Directed Warehousing Solutions Market status and future forecast.
To present the key Voice-Directed Warehousing Solutions 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 and acquisitions in the market
Frequently Asked Questions - FAQ:
How big is the opportunity for the Voice-Directed Warehousing Solutions market
Which are the recent industry development that can be implemented to generate additional revenue streams
Who are the major players operating in the Voice-Directed Warehousing Solutions market Which companies are the front runners
What are the major end-use industries of Voice-Directed Warehousing Solutions market
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 Voice-Directed Warehousing Solutions Market Size Growth Rate by Type (2016-2027)
1.4.2 Voice-Directed Warehousing Platform
1.4.3 Services
1.5 Market by Application
1.5.1 Global Voice-Directed Warehousing Solutions Market Share by Application (2016-2027)
1.5.2 Electrical & Electronics
1.5.3 Food & Beverage
1.5.4 Pharmaceutical
1.5.5 E-Commerce
1.5.6 Retail
1.5.7 Tracking, Logistics, & Transport
1.5.8 Others
1.6 Study Objectives
1.7 Years Considered
2 Global Growth Trends
2.1 Voice-Directed Warehousing Solutions Market Size
2.2 Voice-Directed Warehousing Solutions Growth Trends by Regions
2.2.1 Voice-Directed Warehousing Solutions Market Size by Regions (2016-2027)
2.2.2 Voice-Directed Warehousing Solutions 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 Voice-Directed Warehousing Solutions Market Size by Manufacturers
3.1.1 Global Voice-Directed Warehousing Solutions Revenue by Manufacturers (2016-2020)
3.1.2 Global Voice-Directed Warehousing Solutions Revenue Market Share by Manufacturers (2016-2020)
3.1.3 Global Voice-Directed Warehousing Solutions Market Concentration Ratio (CR5 and HHI)
3.2 Voice-Directed Warehousing Solutions Key Players Head office and Area Served
3.3 Key Players Voice-Directed Warehousing Solutions Product/Solution/Service
3.4 Date of Enter into Voice-Directed Warehousing Solutions Market
3.5 Mergers & Acquisitions, Expansion Plans
4 Breakdown Data by Type and Application
4.1 Global Voice-Directed Warehousing Solutions Market Size by Type (2016-2020)
4.2 Global Voice-Directed Warehousing Solutions Market Size by Application (2016-2020)
5 United States
5.1 United States Voice-Directed Warehousing Solutions Market Size (2016-2020)
5.2 Voice-Directed Warehousing Solutions Key Players in United States
5.3 United States Voice-Directed Warehousing Solutions Market Size by Type
5.4 United States Voice-Directed Warehousing Solutions Market Size by Application
6 Europe
6.1 Europe Voice-Directed Warehousing Solutions Market Size (2016-2020)
6.2 Voice-Directed Warehousing Solutions Key Players in Europe
6.3 Europe Voice-Directed Warehousing Solutions Market Size by Type
6.4 Europe Voice-Directed Warehousing Solutions Market Size by Application
7 China
7.1 China Voice-Directed Warehousing Solutions Market Size (2016-2020)
7.2 Voice-Directed Warehousing Solutions Key Players in China
7.3 China Voice-Directed Warehousing Solutions Market Size by Type
7.4 China Voice-Directed Warehousing Solutions Market Size by Application
8 Japan
8.1 Japan Voice-Directed Warehousing Solutions Market Size (2016-2020)
8.2 Voice-Directed Warehousing Solutions Key Players in Japan
8.3 Japan Voice-Directed Warehousing Solutions Market Size by Type
8.4 Japan Voice-Directed Warehousing Solutions Market Size by Application
9 Southeast Asia
9.1 Southeast Asia Voice-Directed Warehousing Solutions Market Size (2016-2020)
9.2 Voice-Directed Warehousing Solutions Key Players in Southeast Asia
9.3 Southeast Asia Voice-Directed Warehousing Solutions Market Size by Type
9.4 Southeast Asia Voice-Directed Warehousing Solutions Market Size by Application
10 India
10.1 India Voice-Directed Warehousing Solutions Market Size (2016-2020)
10.2 Voice-Directed Warehousing Solutions Key Players in India
10.3 India Voice-Directed Warehousing Solutions Market Size by Type
10.4 India Voice-Directed Warehousing Solutions Market Size by Application
11 Central & South America
11.1 Central & South America Voice-Directed Warehousing Solutions Market Size (2016-2020)
11.2 Voice-Directed Warehousing Solutions Key Players in Central & South America
11.3 Central & South America Voice-Directed Warehousing Solutions Market Size by Type
11.4 Central & South America Voice-Directed Warehousing Solutions Market Size by Application
12 International Players Profiles
12.1 Honeywell
12.1.1 Honeywell Company Details
12.1.2 Company Description and Business Overview
12.1.3 Voice-Directed Warehousing Solutions Introduction
12.1.4 Honeywell Revenue in Voice-Directed Warehousing Solutions Business (2016-2020)
12.1.5 Honeywell Recent Development
12.2 Dematic
12.2.1 Dematic Company Details
12.2.2 Company Description and Business Overview
12.2.3 Voice-Directed Warehousing Solutions Introduction
12.2.4 Dematic Revenue in Voice-Directed Warehousing Solutions Business (2016-2020)
12.2.5 Dematic Recent Development
12.3 Voiteq Ltd
12.3.1 Voiteq Ltd Company Details
12.3.2 Company Description and Business Overview
12.3.3 Voice-Directed Warehousing Solutions Introduction
12.3.4 Voiteq Ltd Revenue in Voice-Directed Warehousing Solutions Business (2016-2020)
12.3.5 Voiteq Ltd Recent Development
12.4 Ehrhardt + Partner Group
12.4.1 Ehrhardt + Partner Group Company Details
12.4.2 Company Description and Business Overview
12.4.3 Voice-Directed Warehousing Solutions Introduction
12.4.4 Ehrhardt + Partner Group Revenue in Voice-Directed Warehousing Solutions Business (2016-2020)
12.4.5 Ehrhardt + Partner Group Recent Development
12.5 Zebra Technologies
12.5.1 Zebra Technologies Company Details
12.5.2 Company Description and Business Overview
12.5.3 Voice-Directed Warehousing Solutions Introduction
12.5.4 Zebra Technologies Revenue in Voice-Directed Warehousing Solutions Business (2016-2020)
12.5.5 Zebra Technologies Recent Development
12.6 Lucas Systems
12.6.1 Lucas Systems Company Details
12.6.2 Company Description and Business Overview
12.6.3 Voice-Directed Warehousing Solutions Introduction
12.6.4 Lucas Systems Revenue in Voice-Directed Warehousing Solutions Business (2016-2020)
12.6.5 Lucas Systems Recent Development
12.7 Speech Interface Design
12.7.1 Speech Interface Design Company Details
12.7.2 Company Description and Business Overview
12.7.3 Voice-Directed Warehousing Solutions Introduction
12.7.4 Speech Interface Design Revenue in Voice-Directed Warehousing Solutions Business (2016-2020)
12.7.5 Speech Interface Design Recent Development
12.8 Voxware
12.8.1 Voxware Company Details
12.8.2 Company Description and Business Overview
12.8.3 Voice-Directed Warehousing Solutions Introduction
12.8.4 Voxware Revenue in Voice-Directed Warehousing Solutions Business (2016-2020)
12.8.5 Voxware Recent Development
12.9 Zetes Industries
12.9.1 Zetes Industries Company Details
12.9.2 Company Description and Business Overview
12.9.3 Voice-Directed Warehousing Solutions Introduction
12.9.4 Zetes Industries Revenue in Voice-Directed Warehousing Solutions Business (2016-2020)
12.9.5 Zetes Industries Recent Development
12.10 Ivanti
12.10.1 Ivanti Company Details
12.10.2 Company Description and Business Overview
12.10.3 Voice-Directed Warehousing Solutions Introduction
12.10.4 Ivanti Revenue in Voice-Directed Warehousing Solutions Business (2016-2020)
12.10.5 Ivanti Recent Development
12.11 Business Computer Projects
12.12 Symphony EYC Solution
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
List of Tables and Figures
List of Tables and Figures
Table Voice-Directed Warehousing Solutions Key Market Segments
Table Key Players Voice-Directed Warehousing Solutions Covered
Table Global Voice-Directed Warehousing Solutions Market Size Growth Rate by Type 2016-2027 (Million US$)
Figure Global Voice-Directed Warehousing Solutions Market Size Market Share by Type 2016-2027
Figure Voice-Directed Warehousing Platform Figures
Table Key Players of Voice-Directed Warehousing Platform
Figure Services Figures
Table Key Players of Services
Table Global Voice-Directed Warehousing Solutions Market Size Growth by Application 2016-2027 (Million US$)
Figure Electrical & Electronics Case Studies
Figure Food & Beverage Case Studies
Figure Pharmaceutical Case Studies
Figure E-Commerce Case Studies
Figure Retail Case Studies
Figure Tracking, Logistics, & Transport Case Studies
Figure Others Case Studies
Figure Voice-Directed Warehousing Solutions Report Years Considered
Table Global Voice-Directed Warehousing Solutions Market Size 2016-2027 (Million US$)
Figure Global Voice-Directed Warehousing Solutions Market Size and Growth Rate 2016-2027 (Million US$)
Table Global Voice-Directed Warehousing Solutions Market Size by Regions 2016-2027 (Million US$)
Table Global Voice-Directed Warehousing Solutions Market Size by Regions 2016-2020 (Million US$)
Table Global Voice-Directed Warehousing Solutions Market Share by Regions 2016-2020
Figure Global Voice-Directed Warehousing Solutions Market Share by Regions 2016-2020
Figure Global Voice-Directed Warehousing Solutions Market Share by Regions 2019
Table Market Top Trends
Table Global Voice-Directed Warehousing Solutions Revenue by Manufacturers (2016-2020) (Million US$)
Table Global Voice-Directed Warehousing Solutions Market Share by Manufacturers (2016-2020)
Figure Global Voice-Directed Warehousing Solutions Market Share by Manufacturers in 2020
Table Global Voice-Directed Warehousing Solutions Manufacturers Market Concentration Ratio (CR5 and HHI)
Table Key Players Head office and Area Served
Table Key Players Voice-Directed Warehousing Solutions Product/Solution/Service
Table Date of Enter into Voice-Directed Warehousing Solutions Market
Table Mergers & Acquisitions, Expansion Plans
Table Global Voice-Directed Warehousing Solutions Market Size by Type (2016-2020) (Million US$)
Table Global Voice-Directed Warehousing Solutions Market Size Share by Type (2016-2020)
Figure Global Voice-Directed Warehousing Solutions Market Size Market Share by Type (2016-2020)
Table Global Voice-Directed Warehousing Solutions Market Size by Application (2016-2020) (Million US$)
Table Global Voice-Directed Warehousing Solutions Market Size Share by Application (2016-2020)
Figure Global Voice-Directed Warehousing Solutions Market Size Market Share by Application (2016-2020)
Figure Global Voice-Directed Warehousing Solutions Revenue Market Share by Application in 2020
Figure United States Voice-Directed Warehousing Solutions Market Size 2016-2020 (Million US$)
Table United States Key Players Voice-Directed Warehousing Solutions Revenue (2019-2020) (Million US$)
Table United States Key Players Voice-Directed Warehousing Solutions Market Share (2019-2020)
Table United States Voice-Directed Warehousing Solutions Market Size by Type (2016-2020) (Million US$)
Table United States Voice-Directed Warehousing Solutions Market Share by Type (2016-2020)
Table United States Voice-Directed Warehousing Solutions Market Size by Application (2016-2020) (Million US$)
Table United States Voice-Directed Warehousing Solutions Market Share by Application (2016-2020)
Figure Europe Voice-Directed Warehousing Solutions Market Size 2016-2020 (Million US$)
Table Europe Key Players Voice-Directed Warehousing Solutions Revenue (2019-2020) (Million US$)
Table Europe Key Players Voice-Directed Warehousing Solutions Market Share (2019-2020)
Table Europe Voice-Directed Warehousing Solutions Market Size by Type (2016-2020) (Million US$)
Table Europe Voice-Directed Warehousing Solutions Market Share by Type (2016-2020)
Table Europe Voice-Directed Warehousing Solutions Market Size by Application (2016-2020) (Million US$)
Table Europe Voice-Directed Warehousing Solutions Market Share by Application (2016-2020)
Figure China Voice-Directed Warehousing Solutions Market Size 2016-2020 (Million US$)
Table China Key Players Voice-Directed Warehousing Solutions Revenue (2019-2020) (Million US$)
Table China Key Players Voice-Directed Warehousing Solutions Market Share (2019-2020)
Table China Voice-Directed Warehousing Solutions Market Size by Type (2016-2020) (Million US$)
Table China Voice-Directed Warehousing Solutions Market Share by Type (2016-2020)
Table China Voice-Directed Warehousing Solutions Market Size by Application (2016-2020) (Million US$)
Table China Voice-Directed Warehousing Solutions Market Share by Application (2016-2020)
Figure Japan Voice-Directed Warehousing Solutions Market Size 2016-2020 (Million US$)
Table Japan Key Players Voice-Directed Warehousing Solutions Revenue (2019-2020) (Million US$)
Table Japan Key Players Voice-Directed Warehousing Solutions Market Share (2019-2020)
Table Japan Voice-Directed Warehousing Solutions Market Size by Type (2016-2020) (Million US$)
Table Japan Voice-Directed Warehousing Solutions Market Share by Type (2016-2020)
Table Japan Voice-Directed Warehousing Solutions Market Size by Application (2016-2020) (Million US$)
Table Japan Voice-Directed Warehousing Solutions Market Share by Application (2016-2020)
Figure Southeast Asia Voice-Directed Warehousing Solutions Market Size 2016-2020 (Million US$)
Table Southeast Asia Key Players Voice-Directed Warehousing Solutions Revenue (2019-2020) (Million US$)
Table Southeast Asia Key Players Voice-Directed Warehousing Solutions Market Share (2019-2020)
Table Southeast Asia Voice-Directed Warehousing Solutions Market Size by Type (2016-2020) (Million US$)
Table Southeast Asia Voice-Directed Warehousing Solutions Market Share by Type (2016-2020)
Table Southeast Asia Voice-Directed Warehousing Solutions Market Size by Application (2016-2020) (Million US$)
Table Southeast Asia Voice-Directed Warehousing Solutions Market Share by Application (2016-2020)
Figure India Voice-Directed Warehousing Solutions Market Size 2016-2020 (Million US$)
Table India Key Players Voice-Directed Warehousing Solutions Revenue (2019-2020) (Million US$)
Table India Key Players Voice-Directed Warehousing Solutions Market Share (2019-2020)
Table India Voice-Directed Warehousing Solutions Market Size by Type (2016-2020) (Million US$)
Table India Voice-Directed Warehousing Solutions Market Share by Type (2016-2020)
Table India Voice-Directed Warehousing Solutions Market Size by Application (2016-2020) (Million US$)
Table India Voice-Directed Warehousing Solutions Market Share by Application (2016-2020)
Figure Central & South America Voice-Directed Warehousing Solutions Market Size 2016-2020 (Million US$)
Table Central & South America Key Players Voice-Directed Warehousing Solutions Revenue (2019-2020) (Million US$)
Table Central & South America Key Players Voice-Directed Warehousing Solutions Market Share (2019-2020)
Table Central & South America Voice-Directed Warehousing Solutions Market Size by Type (2016-2020) (Million US$)
Table Central & South America Voice-Directed Warehousing Solutions Market Share by Type (2016-2020)
Table Central & South America Voice-Directed Warehousing Solutions Market Size by Application (2016-2020) (Million US$)
Table Central & South America Voice-Directed Warehousing Solutions Market Share by Application (2016-2020)
Table Honeywell Company Details
Table Honeywell Revenue in Voice-Directed Warehousing Solutions Business (2016-2020) (Million US$)
Figure Honeywell Revenue Growth Rate in Voice-Directed Warehousing Solutions Business (2016-2020)
Table Honeywell Recent Development
Table Dematic Company Details
Table Dematic Revenue in Voice-Directed Warehousing Solutions Business (2016-2020)(Million US$)
Figure Dematic Revenue Growth Rate in Voice-Directed Warehousing Solutions Business (2016-2020)
Table Dematic Recent Development
Table Voiteq Ltd Company Details
Table Voiteq Ltd Revenue in Voice-Directed Warehousing Solutions Business (2016-2020)(Million US$)
Figure Voiteq Ltd Revenue Growth Rate in Voice-Directed Warehousing Solutions Business (2016-2020)
Table Voiteq Ltd Recent Development
Table Ehrhardt + Partner Group Company Details
Table Ehrhardt + Partner Group Revenue in Voice-Directed Warehousing Solutions Business (2016-2020)(Million US$)
Figure Ehrhardt + Partner Group Revenue Growth Rate in Voice-Directed Warehousing Solutions Business (2016-2020)
Table Ehrhardt + Partner Group Recent Development
Table Zebra Technologies Company Details
Table Zebra Technologies Revenue in Voice-Directed Warehousing Solutions Business (2016-2020)(Million US$)
Figure Zebra Technologies Revenue Growth Rate in Voice-Directed Warehousing Solutions Business (2016-2020)
Table Zebra Technologies Recent Development
Table Lucas Systems Company Details
Table Lucas Systems Revenue in Voice-Directed Warehousing Solutions Business (2016-2020)(Million US$)
Figure Lucas Systems Revenue Growth Rate in Voice-Directed Warehousing Solutions Business (2016-2020)
Table Lucas Systems Recent Development
Table Speech Interface Design Company Details
Table Speech Interface Design Revenue in Voice-Directed Warehousing Solutions Business (2016-2020)(Million US$)
Figure Speech Interface Design Revenue Growth Rate in Voice-Directed Warehousing Solutions Business (2016-2020)
Table Speech Interface Design Recent Development
Table Voxware Company Details
Table Voxware Revenue in Voice-Directed Warehousing Solutions Business (2016-2020)(Million US$)
Figure Voxware Revenue Growth Rate in Voice-Directed Warehousing Solutions Business (2016-2020)
Table Voxware Recent Development
Table Zetes Industries Company Details
Table Zetes Industries Revenue in Voice-Directed Warehousing Solutions Business (2016-2020)(Million US$)
Figure Zetes Industries Revenue Growth Rate in Voice-Directed Warehousing Solutions Business (2016-2020)
Table Zetes Industries Recent Development
Table Ivanti Company Details
Table Ivanti Revenue in Voice-Directed Warehousing Solutions Business (2016-2020)(Million US$)
Figure Ivanti Revenue Growth Rate in Voice-Directed Warehousing Solutions Business (2016-2020)
Table Ivanti Recent Development
Table Business Computer Projects Company Details
Table Symphony EYC Solution Company Details
Table Global Voice-Directed Warehousing Solutions Market Size by Regions (Million US$) 2021-2027
Figure Global Voice-Directed Warehousing Solutions Market Size Share by Regions (2021-2027)
Figure Global Voice-Directed Warehousing Solutions Market Size Share by Regions in 2027
Figure United States Voice-Directed Warehousing Solutions Market Size Forecast (2021-2027)(Million USD)
Figure Europe Voice-Directed Warehousing Solutions Market Size Forecast (2021-2027)(Million USD)
Figure China Voice-Directed Warehousing Solutions Market Size Forecast (2021-2027)(Million USD)
Figure Japan Voice-Directed Warehousing Solutions Market Size Forecast (2021-2027)(Million USD)
Figure Southeast Asia Voice-Directed Warehousing Solutions Market Size Forecast (2021-2027)(Million USD)
Figure India Voice-Directed Warehousing Solutions Market Size Forecast (2021-2027)(Million USD)
Figure Central & South America Voice-Directed Warehousing Solutions Market Size Forecast (2021-2027)(Million USD)
Table Global Voice-Directed Warehousing Solutions Market Size by Product (2021-2027) (Million US$)
Figure Global Voice-Directed Warehousing Solutions Market Size by Product (2021-2027)
Figure Global Voice-Directed Warehousing Solutions Market Size by Product in 2027
Table Global Voice-Directed Warehousing Solutions Market Size by Application (2021-2027) (Million US$)
Figure Global Voice-Directed Warehousing Solutions Market Size by Application (2021-2027)
Figure Global Voice-Directed Warehousing Solutions 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