Design of a Rainwater Based Gravity Filtration System as a Sustainable Clean Water Solution for Household Scale in Kaliandra: Perancangan Sistem Filtrasi Gravitasi Berbasis Air Hujan sebagai Solusi Air Bersih Berkelanjutan Skala Rumah Tangga di Kaliandra. ANDIL Mulawarman Journal of Community Engagement, [S. l.], v. 3, n. 3, p. 136–142, 2026. DOI: 10.30872/j6v63781. Disponível em: https://e-journals2.unmul.ac.id/index.php/ANDIL/article/view/4505. Acesso em: 4 jul. 2026.