SYNERGISTIC EFFECTS OF INDUSTRIAL POLLUTANTS ON GROUND WATER QUALITY IN UMUABULU, IGBO-ETCHE, RIVERS STATE. iijp [Internet]. 2025 Sep. 9 [cited 2026 May 17];1(issue 3):392-401. Available from: https://impactinternationaljournals.com/publications/index.php/ojs/article/view/83