Coagulation - Flotation Process for Removing Oil from wastewater using Sawdust+ Bentonite. Journal of Engineering, [S. l.], v. 21, n. 06, p. 62–76, 2015. DOI: 10.31026/j.eng.2015.06.05. Disponível em: https://joe.uobaghdad.edu.iq/index.php/main/article/view/414. Acesso em: 29 mar. 2025.