O., Egai Ayibawari, Edirin Akpofure, and Digha Opaminola Nicholas. “Comparative Assessment of Heavy Metals Pollution in Surface Water in Ikoli River and Epie Creek in Yenagoa Metropolis Using Geographical Information System”. Journal of Geographical Research 5, no. 3 (July 31, 2022): 49–62. Accessed November 22, 2024. https://journals.bilpubgroup.com/index.php/jgr/article/view/4696.