Toepak EP, Pasaribu MH, Agnestisia R, Elsandika G. Degradation of Humic Acids in Peat Water Using Fe3O4 Synthesized from Zircon Sand Tailing as Photo-Fenton Catalyst. JKR [Internet]. 2025 Jun. 30 [cited 2025 Aug. 22];10(1):1-16. Available from: https://e-journal.unair.ac.id/JKR/article/view/66061