@ARTICLE {SETIMELA:2010, title = {Impediments to new improved maize variety testing and release in selected countries in sub-Saharan Africa}, author = {Setimela, P. S. and Badu-Apraku, B. and Mwangi, W. }, journal = {Journal of Agricultural Science and Technology}, year = {2010}, month = {December}, volume = {4}, number = {6}, pages = {79--85}, issn = {1939-1250}, }