PERENCANAAN IPAL BIOFILTER DI UPTD KESEHATAN PUSKESMAS GONDANGWETAN KABUPATEN PASURUAN. WAKTU: Jurnal Teknik UNIPA, [S. l.], v. 9, n. 2, p. 17–24, 2011. DOI: 10.36456/waktu.v9i2.921. Disponível em: https://jurnal.unipasby.ac.id/waktu/article/view/921. Acesso em: 5 aug. 2026.