Okwuokeneye, GF, and EA Onemolease. “Demographic Characteristics Related To Wholesale Marketing Of Yam In Delta State, Nigeria”. Global Approaches to Extension Practice: A Journal of Agricultural Extension 2, no. 1 (August 19, 2008): 9–15. Accessed August 13, 2026. https://www.ajol.info/index.php/gaep/article/view/34944.