@PROCEEDINGS {MANYONG:2006c, title = {Agricultural research: how well has the African farmer benefited?}, author = {Manyong, V. and Alene, A. }, editor = {Abila, N. and Oyekanmi, E. and Eze-Ajayi, O. and Dare *, O. }, booktitle = {11th Annual Symposium of IARSAF, IITA, Ibadan, Nigeria, 2006}, year = {2006}, publisher = {International Institute of Tropical Agriculture (IITA)}, organization = {Ibadan, Nigeria}, }