Ekwueme, Benjamin Nnamdi, and Jonah Chukwuemeka Agunwamba. “Trend Analysis and Variability of Air Temperature and Rainfall in Regional River Basins”. Civil Engineering Journal 7, no. 5 (May 1, 2021): 816–826. Accessed September 20, 2025. https://civilejournal.org/index.php/cej/article/view/2829.