Comparative Analysis of Heavy Metal Contamination in Regular and Artisanal Petroleum Products in Akwa Ibom State, South-South Nigeria. Communication In Physical Sciences, [S. l.], v. 11, n. 3, p. 559–568, 2024. Disponível em: https://journalcps.com/index.php/volumes/article/view/120. Acesso em: 28 jul. 2026.