1. Ahmed, G. , Hamrick, D. , Guinn, A. , Abdulsamad, A. , & Gereffi, G. (2013). Wheat value chains and food security in the Middle East and North Africa region. Social Science Research Institute, Duke University. Retrieved from http://www.cggc.duke.edu/pdfs/2013-08-28_CGGC_Report_Wheat_GVC_and_food_security_in_MENA.pdf .
2. Al Masah Capital Limited . (2012). MENA food security: Are we doing enough to feed the population? Dubai, UAE: Al Masah Capital Limited. Retrieved from http://almasahcapital.com .
3. Strategic importance of green water in international crop trade
4. Allan, J. A. (1993). Fortunately there are substitutes for water otherwise our hydro-political futures would be impossible, priorities for water resources allocation and management (pp. 13–26). London: ODA.
5. Allan, J. A. (1997). Virtual water: A long term solution for water short Middle Eastern economies? paper presented at theBritish Association Festival of Science, Water and Development Session, University of Leeds, London.