“HYDROGEOCHEMICAL FACIES AND DRINKING-WATER SUITABILITY OF GROUNDWATER IN OIL-IMPACTED NIGER DELTA COMMUNITIES: A PIPER DIAGRAM AND WHO COMPLIANCE ASSESSMENT OF OKERENKOKO, KURUTIE, AND KUNUKUNUMA, DELTA STATE, NIGERIA”, IJMIR, vol. 8, no. 3, pp. 327–346, Aug. 2026, Accessed: Nov. 12, 2026. [Online]. Available: https://ijmir.edu.ng/index.php/ijmir/article/view/136