I. A. . Lawal, C. G. Achi, and A. O. Coker, “Assessment of Refuse Dumpsite Impact on Groundwater Quality: A Case Study from Awotan, Ibadan, Oyo State, Nigeria”, Sci. Eng. Technol., vol. 5, no. 1, pp. 286–303, Dec. 2024, doi: 10.54327/set2025/v5.i1.161.