“SYNERGISTIC EFFECTS OF INDUSTRIAL POLLUTANTS ON GROUND WATER QUALITY IN UMUABULU, IGBO-ETCHE, RIVERS STATE”. Impact International Journals and Publications 1, no. issue 3 (September 9, 2025): 392–401. Accessed May 17, 2026. https://impactinternationaljournals.com/publications/index.php/ojs/article/view/83.