KOSSAY K. AL-AHMADY, D.; A. AL-RHMANY, N. Performance Study of the Single and Double Stages Anaerobic Biological Filters in Treating Domestic Greywater. Al-Rafidain Engineering Journal (AREJ), [S. l.], v. 19, n. 5, p. 10–21, 2011. DOI: 10.33899/rengj.2011.26619. Disponível em: https://jamh.uomosul.edu.iq/index.php/arej/article/view/30822. Acesso em: 7 sep. 2025.