“EFFECT OF FeCl3 COAGULAN DOSAGE ON DECREASING TURBIDITY OF LEATHER TANNERY WASTE PROCESSING”. Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit 22, no. 2 (December 16, 2024): 100–105. Accessed December 22, 2024. https://e-jurnal.atk.ac.id/index.php/bptkspk/article/view/24.