OPTIMIZATION OF POLY ALUMUNIUM CLORIDE (PAC) DOSAGE FOR TANNERY WASTE TREATMENT IN COAGULATION-FLOCULATION PROCESS. Settings Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit [Internet]. 2024 Dec. 16 [cited 2024 Dec. 22];22(1):16-22. Available from: https://e-jurnal.atk.ac.id/index.php/bptkspk/article/view/12