ABULE, E. C.; EKPETE, O. A.; EDORI, O. S. Artisanal refining and its impact on physicochemical properties of soils in Okporowo, Ahoada East Local Government Area, Rivers State. . Faculty of Natural and Applied Sciences Journal of Scientific Innovations , Port Harcourt, Nigeria, v. 5, n. 2, p. 91–102, 2023. Disponível em: https://fnasjournals.com/index.php/FNAS-JSI/article/view/223. Acesso em: 6 jul. 2024.