Willabo A. Miepamo, Bisong Andy Etta, and Justin Ikirigo. “Aquifer Vulnerability Assessment in Ekowe, Bayelsa State, Niger Delta Area, Nigeria Using GIS-Based on Drastic Method”. Journal of Science & Technology (JST) 6, no. 3 (May 20, 2021): 37–44. Accessed July 17, 2024. https://jst.org.in/index.php/pub/article/view/881.