@PROCEEDINGS {MULEBA:1984a, title = {Cowpea agronomy in Africa}, author = {Muleba, N. and Ezumah, H. C. }, booktitle = {Presented at the First World Cowpea Research Conference, 5-9 November, IITA}, year = {1984}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, }