yandra, arief, and FITRI MAIRIZKI. “The Efektifitas Arang Aktif Terhadap Peningkatan Kualitas Air Tanah Dengan Metode Multi Soil Layering (MSL)”. JURNAL KATALISATOR 6, no. 1 (May 29, 2021): 99–108. Accessed January 11, 2025. https://scientiacatalysis.org/index.php/katalisator/article/view/259.