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 J Comm Engag [Internet]. 2026 Jul. 2 [cited 2026 Jul. 4];3(3):136-42. Available from: https://e-journals2.unmul.ac.id/index.php/ANDIL/article/view/4505