Walker, Thomas S.Alwang, Jeffrey R.2017-12-202017-12-202015-10-2617806440199781780644011http://hdl.handle.net/10919/81300Following on from the CGIAR study by Evenson and Gollin (published by CABI in 2003), this volume provides up-to-date estimates of adoption outcomes and productivity impacts of crop variety improvement research in sub-Saharan Africa.? - ? (478) page(s)application/pdfenIn CopyrightFood cropsCrop Improvement, Adoption and Impact of Improved Varieties in Food Crops in Sub-Saharan AfricaBookAlwang, J [0000-0002-2950-8516]