“Groundwater Quality Appraisal of Some Hand-Dug Wells and Boreholes around Okemesi and Ikoro Area, Southwestern Nigeria”, GJSFR, vol. 12, no. H2, pp. 17–33, Nov. 2012, Accessed: Sep. 20, 2026. [Online]. Available: https://journalofscience.org/index.php/GJSFR/article/view/709