Ali MN, Fouad HA, Meky MM, Elhefny RM. Pilot-scale study based on integrated fixed-film activated sludge process for cement industrial wastewater treatment. J. Degrade. Min. Land Manage. [Internet]. 2021 Oct. 1 [cited 2025 Apr. 28];9(1):3073-81. Available from: https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/942