ASSIDDIEQ, M.; DARMAYANI, S.; KUDONOWARSO, W. The use of silica sand, zeolite and active charcoal to reduce BOD, COD, and TSS of laundry waste water as a biology learning resources. JPBI (Jurnal Pendidikan Biologi Indonesia) , [S. l.], v. 3, n. 3, p. 202–207, 2017. DOI: 10.22219/jpbi.v3i3.4864. Disponível em: https://ejournal.umm.ac.id/index.php/jpbi/article/view/4864. Acesso em: 4 jun. 2026.