Bolarinwa, K. A., and Oboh B. 0., Ogundipe O. T.O. L. A. A. K. 0. “WIDE CROSSES IN COWPEA: AN APPRAISAL OF SOME RESISTANCE AND SUSCEPTIBLE LINES”. UNILAG Journal of Medicine, Science and Technology, Vol. 1, no. 1, Mar. 2019, pp. 60-68, http://ujmst.unilag.edu.ng/article/view/375.