Prasetya P, Muhdarina M, Saputra E, Awaluddin A. Tremendous Performance Manganese Oxide Via Coprecipitation Method for Degradation of Palm Oil Mill Effluent. Photon [Internet]. 2025May31 [cited 2026Apr.17];14(2):20-5. Available from: https://ejurnal.umri.ac.id/index.php/photon/article/view/5082