Opasola, O., and E. Otto. “Beneath the Surface: Uncovering Heavy Metal Contamination in Public Drinking Well Water and the Public Health Implications in Kaduna South LGA, Nigeria”. International Journal of Science for Global Sustainability, vol. 9, no. 4, Dec. 2023, pp. 11-21, doi:10.57233/ijsgs.v9i4.544.