Estimate the Concentrations of Some Heavy Metals in Industrial Wastewater in Al-Dora Oil Refinery. Journal of Engineering, [S. l.], v. 31, n. 2, p. 34–47, 2025. DOI: 10.31026/j.eng.2025.02.03. Disponível em: https://joe.uobaghdad.edu.iq/index.php/main/article/view/3468. Acesso em: 12 mar. 2025.