ABULE, Esther Chinyere; EKPETE, Ozioma Adaunwo. Geochemical Speciation and Environmental Implications of Heavy Metal Mobility in Okporowo-Ekpeye Farmlands Impacted by Artisanal Oil Refining. Faculty of Natural and Applied Sciences Journal of Scientific Innovations , Port Harcourt, Nigeria, v. 6, n. 3, p. 88–95, 2025. DOI: 10.63561/fnas-jsi.v6i3.955. Disponível em: https://fnasjournals.com/index.php/FNAS-JSI/article/view/955. Acesso em: 6 oct. 2025.