“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 3, no. 3 (July 2, 2026): 136–142. Accessed July 4, 2026. https://e-journals2.unmul.ac.id/index.php/ANDIL/article/view/4505.