Hakim, Lukman, Aster Rahayu, and Siti Jamilatun. “Effectiveness of Ammonium Polymer in Improving Floating Treatment Wetland to Reduce Cod From Palm Oil Mill Effluent”. Sains Natural: Journal of Biology and Chemistry 15, no. 1 (January 30, 2025): 10–18. Accessed May 7, 2026. https://ejournalunb.ac.id/JSN/article/view/768.