Analisis Uji Chemical Oxygen Demand (COD) pada Air Limbah Sawit di Dinas Lingkungan Hidup dan Kehutanan Provinsi Bangka Belitung. Jurnal Riset Fisika Indonesia, [S. l.], v. 3, n. 2, p. 26–31, 2023. DOI: 10.33019/jrfi.v3i2.3553. Disponível em: https://journal.ubb.ac.id/index.php/jrfi/article/view/3553. Acesso em: 15 jun. 2026.