@ARTICLE {Afun:1991b, title = {Calendar and monitored insecticide application for the control of cowpea pests}, author = {Afun, J. V. K. and Jackai, L. E. N. and Hodgson, C. J. }, journal = {Crop Protection}, year = {1991}, volume = {10}, number = {5}, pages = {363--370}, issn = {0261-2194}, }