1. What do We Really Know about the Number and Distribution of Farms and Family Farms in the World?;Lowder,2014
2. African Economic Outlook 2014: Global Value Chains and Africa’s Industrialisation,2014
3. STARS-Project. About Us—STARS Project, 2016http://www.stars-project.org/en/about-us/
4. World Population Data Sheet, 2013http://auth.prb.org/Publications/Datasheets/2013/2013-world-population-data-sheet.aspx
5. Advances in Remote Sensing of Agriculture: Context Description, Existing Operational Monitoring Systems and Major Information Needs