@INBOOK {NKAMLEU:2007c, title = {Ex post impact assessment of agricultural research in sub-Saharan Africa: the IITA experience}, author = {Nkamleu, G. B. and Coulibaly, O. and Sanogo, D. and Manyong, V. and Alene, A. }, year = {2007}, type = {Assessing the impact of agricultural research on rural livelihoods: achievements, gaps, and options}, pages = {27--47}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, isbn = {978 131 321 8}, note = {Assessing the impact of Agricultural Research on rural livelihoods: achievements, gaps, and options: approaches, challenges, and results during the twenty-sixth conference of the International Association of Agricultural Economics, 12-18 August 2006, Gold Coast Convention and Exhibition Center, Brisbane, Australia}, }