NWUKE, H. C.; NWOKE, I. B. Determination of potentially toxic elements in soil, pumpkin leaves (telfairia occidentalis) and maize (zea mays) around artisanal refining sites in Odagwa Etche. Faculty of Natural and Applied Sciences Journal of Scientific Innovations , Port Harcourt, Nigeria, v. 5, n. 4, p. 62–66, 2024. Disponível em: https://fnasjournals.com/index.php/FNAS-JSI/article/view/305. Acesso em: 18 oct. 2024.