@BOOK {FATOKUN:2002, title = {Challenges and opportunities for enhancing sustainable cowpea production: proceedings of the World Cowpea Conference III held at the International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria, 4-8 September 2000}, author = {Fatokun, C. and Tarawali, S. and Singh, B. and Kormawa, P. and Tamo, M. }, year = {2002}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, isbn = {978-131-190-8}, note = {433p.}, }