Jose, Falck-Zepeda Genetically modified crops in Africa : economic and policy lessons from countries South of the Sahara - Washington,DC: International Food Policy Reseach Institute, 2013. - xii,244p.: ill.; 23cm. Includes bibliographical references ISBN: 978-0-89629-795-1 Subjects--Topical Terms: LC Class. No.: SB123.57.G478