1. Crop production and crop protection—Estimated losses in major food and cash crops;Oerke;Agric. Syst.,1996
2. The New Harvest, Agricultural Innovation in Africa;Juma,2010
3. Exploring the Linkages of commerce, higher education and human development: A historical review;Aerni;ADTF J.,2007
4. A new alliance for global changehttp://hbr.org/2010/09/a-new-alliance-for-global-change/ar/1
5. http://www.syngentafoundation.org/index.cfm?pageID=691