“SOIL INVESTIGATION OF WATER SCHEME SUPPLY(CASE STUDY: OTUOKPOTI IN OGBIA LGA, BAYELSA STATE)”, IJMTER, vol. 4, no. 1, pp. 56–78, Apr. 2026, Accessed: Apr. 24, 2026. [Online]. Available: https://caarnjournals.com/index.php/IJMTER/article/view/253