International Institute of Tropical AgricultureIDRC2007-11-121982-04-012007-11-1219820-88936-305-6IDRC-177ehttp://hdl.handle.net/10625/3249Text1 digital file (128 p. : ill.)application/pdfenROOT CROPSPLANT BREEDINGAGRICULTURAL RESEARCHGENETIC IMPROVEMENTEAST AFRICAPLANT PROTECTIONPLANT DISEASESPESTS OF PLANTSCASSAVASWEET POTATOESRoot crops in Eastern Africa : proceedings of a workshop held in Kigali, Rwanda, 23-27 Nov. 1980IDRC Book