Role of Bio-filtration in Petrochemical Wastewater treatment using CSTR. International Journal of Engineering Technology and Sciences, [S. l.], v. 1, n. 2, p. 9–12, 2014. DOI: 10.15282/http://dx.doi.org/10.15282/ijets.2.2014.1.2.1009. Disponível em: https://journal.ump.edu.my/ijets/article/view/6187. Acesso em: 25 may. 2025.