P-alm Oil Mill Effluent Treatment Using Rotating Biological Contactor. Malaysian Journal of Civil Engineering, [S. l.], v. 11, n. 1, 2018. DOI: 10.11113/mjce.v11.15616. Disponível em: https://journals.utm.my/mjce/article/view/15616.. Acesso em: 23 jul. 2024.