Zahrim AY, Rakmi AR, Kalil MS. Sludge Composting: A Case Study on Palm Oil Mill Sludge (POms). [Internet]. 31 Desember 2007 [dikutip 8 Juni 2025];7(2):102-7. Tersedia pada: https://jurnal.ugm.ac.id/v3/AJChE/article/view/7682