@INPROCEEDINGS {JACKAI: 1985, title = {Recent trends in the control of cowpea pest in Africa}, author = {Jackai, L. and Singh, S. R. and Raheja, A. K. and Wiedijk, F. }, booktitle = {Cowpea Research, Production and Utilization edited by S.R. Singh and K.O. Rachie}, year = {1985}, pages = {233--243}, }