Rusdianto, Rusdianto, Susanti Susanti, Tri Kusmita, Liyana Aryanto, Talitha Talitha, and Mursid Mursid. “Analisis Uji Chemical Oxygen Demand (COD) Pada Air Limbah Sawit Di Dinas Lingkungan Hidup Dan Kehutanan Provinsi Bangka Belitung”. Jurnal Riset Fisika Indonesia 3, no. 2 (June 30, 2023): 26-31. Accessed May 16, 2024. https://journal.ubb.ac.id/jrfi/article/view/3553.