Ogbuagu Ugorji Udensi, and Ndem E. Edu. “Evaluation and Identification of Genetic Variation Pattern in Cowpea [Vigna Unguiculata (L.) Walp] Accessions Using Multivariate Analyses”. Journal of Basic & Applied Sciences 11 (January 5, 2015): 149–158. Accessed February 23, 2025. http://sceintific-array.org/index.php/jbas/article/view/1290.