Andrian, David, and Desrina Yusi Irawati. “DAMPAK PROSES PENGOLAHAN AIR BERSIH TERHADAP LINGKUNGAN”. Heuristic 16, no. 1 (May 20, 2019). Accessed April 29, 2026. https://jurnal.untag-sby.ac.id/index.php/HEURISTIC/article/view/2475.