The effectiveness of potato and sweetpotato improvement programmes from the perspectives of varietal Output and adoption in Sub-Saharan Africa

Labarta, Ricardo A.. 2015. The effectiveness of potato and sweetpotato improvement programmes from the perspectives of varietal Output and adoption in Sub-Saharan Africa . In: Walker, Thomas S.; Alwang, Jeffrey. (eds.). 2015.Crop improvement, adoption, and impact of improved Vvarieties in food crops in Sub-Saharan Africa. CAB International; CGIAR ,. Boston, MA, USA. 480 p. . CAB International; CGIAR Consortium of International Agricultural Research Centers, Boston, MA, USA. p.164-182.