EFFECTIVENESS OF THE FILTRATION METHOD USING ACTIVATED CARBON FROM KEPOK BANANA PEELS AND ZEOLITE TO REDUCE KMnO4 LEVELS. Fiziya [Internet]. 2025 Jan. 24 [cited 2026 Jan. 26];7(1):46-53. Available from: https://journal.uinjkt.ac.id/al-fiziya/article/view/40520