Geospatial Analysis of Heavy Metal Intrusion in Groundwater Resources of Isoko North Local Government Area, Delta State, Nigeria: A GIS and AHP Approach. J Pol Monit Eval Stud Contr [Internet]. 2025 Mar. 9 [cited 2026 Jun. 3];4(1):67-78. Available from: https://journals.ipsintelligentsia.com/environmental-science/index.php/ipmesc/article/view/13