Analysis of COD and BOD5 at the Inlet and Outlet of the Wastewater Treatment Plant (WWTP) at Hospital X. Jurnal Serambi Engineering, [S. l.], v. 9, n. 4, 2024. Disponível em: https://jse.serambimekkah.id/index.php/jse/article/view/561. Acesso em: 19 apr. 2025.