ERIENU, Obruche Kennedy; AKPEJI, Bamidele Honesty; AKAKABOTA, Ambrose Onajite; OBRUCHE, Arhomajiruvwe Stanley; AWODI, Godwin Owoicho; OTITE-DOUGLAS, Mfon Isualkoh; OVILI, Veronica Uzuazomaro. Comparative Analysis of Selected Heavy Metals in Surface and Groundwater Sources near the General Hospital Water Tank, Agbarho, Delta State. Faculty of Natural and Applied Sciences Journal of Scientific Innovations , Port Harcourt, Nigeria, v. 6, n. 4, p. 23–30, 2025. DOI: 10.63561/fnas-jsi.v6i4.965. Disponível em: https://fnasjournals.com/index.php/FNAS-JSI/article/view/965. Acesso em: 6 oct. 2025.