Daniel, E. J., and S. E. Godwin. “Resource-Use Efficiency in Irrigated Rice Production in Yobe State, Nigeria”. International Journal of Economic Development Research and Investment (IJEDRI) 4, no. 2 (December 1, 2013): 39–46. Accessed November 22, 2024. http://icidr.org.ng/index.php/Ijedri/article/view/840.