COMMUNAL SEPTIC TANKS AS APPROPRIATE TECHNOLOGY TO ACHIEVE SURABAYA OPEN DEFECATION FREE (ODF). GEOMATE Journal, [S. l.], v. 17, n. 62, p. 260–265, 2019. Disponível em: https://geomatejournal.com/geomate/article/view/695. Acesso em: 10 may. 2026.