Timon, D., and E. H. K.- Ndung. “Genetic Variability and Performance Evaluation of Cowpea [(Vigna Unguiculata (L.) Walp] Accessions on High Altitude of Jos Plateau State, Nigeria”. Asian Research Journal of Agriculture, Vol. 13, no. 1, July 2020, pp. 42-52, doi:10.9734/arja/2020/v13i130096.