Sosialisasi Pengolahan Air Hujan Menggunakan Down Flow Slow Sand Filter (DSSF) Tipe-U Di Desa Gumantar, Kabupaten Lombok Utara. portalabdimas [Internet]. 2025 Oct. 31 [cited 2025 Dec. 9];3(2):15-22. Available from: https://journal.unram.ac.id/index.php/portalabdimas/article/view/7242