MAKPO, J.; AMEH, S.; ASARYA, A.; GAMBO, Y. Assessment of Heavy Metals in Water Contaminated with Petroleum Products in Keffi Local Government Area, Nasarawa State, Nigeria. NIGERIAN ANNALS OF PURE AND APPLIED SCIENCES, [S. l.], v. 3, n. 3a, p. 38–45, 2020. DOI: 10.46912/napas.199. Disponível em: https://napas.org.ng/index.php/napas/article/view/199. Acesso em: 20 may. 2024.