Hassan, Yusha’u, Amin Mahir bin Abdullah, Mohd Mansor Ismail, and Zainalabidin Mohamed. “Technical Efficiency of Maize Production in Nigeria: Parametric and Non-Parametric Approach”. Asian Journal of Agriculture and Rural Development 4, no. 4 (April 10, 2014): 281–291. Accessed July 22, 2024. https://archive.aessweb.com/index.php/5005/article/view/1206.