EARTH World Food Gardenwww.worldfoodgarden.org
Transfer of research findings in the tropicshttp://www.fao.org/docrep/t4650t/t4650T04.htm
Students experienceshttps://engineering.purdue.edu/Engr/AboutUs/News/Publications/EngineeringImpact/2010_1/COEIssue/SustainabilityInTropicalAgriculture
http://www.ag.purdue.edu/destination/Pages/F10_04Costa.aspx