Ukpai Ifegwu, Kalu, and Joshua Olusegun Ajetomobi. “Consumers’ Preference for Cowpea in Nigeria”. International Journal of Agricultural Management and Development 4, no. 1 (March 1, 2014): 19–26. Accessed April 30, 2026. https://oiccpress.com/ijamad/article/view/6715.