“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”. 2026. ANDIL Mulawarman Journal of Community Engagement 3 (3): 136-42. https://doi.org/10.30872/j6v63781.