Saputra, Elpan, Fajar Akbar, Miftah Chairani, and Ridhayani Adiningsih. “Pengolahan Limbah Cair Rumah Tangga Dengan Filtrasi Downflow”. Jurnal Kesehatan Lingkungan Mapaccing 1, no. 1 (October 30, 2023): 40–46. Accessed March 12, 2025. https://jurnal.poltekkesmamuju.ac.id/index.php/mpc/article/view/1063.