Nwosu, D. J., and E. N. Awa. “Cross-Compatibility Between Some Cultivated Cowpea Varieties and a Wild Relative (Subsp. <i>Dekindtiana</i> Var <i>Pubescens</I>)”. Journal of Scientific Research 5, no. 1 (December 29, 2012): 195–200. Accessed October 4, 2022. https://banglajol.info/index.php/JSR/article/view/10761.