P. O, Emaziye, R. N Okoh, and P. C Ike. “A Critical Analysis of Climate Change Factors and Its Projected Future Values in Delta State, Nigeria”. Asian Journal of Agriculture and Rural Development 2, no. 2 (June 26, 2012): 206–212. Accessed May 1, 2024. http://archive.aessweb.com/index.php/5005/article/view/545.