“Improving Drinking Water Quality Using Simple Filtering Based On Snail Gonggong Shell Waste In Kulur Ilir Village, Central Bangka Regency: Peningkatan Kualitas Air Minum Menggunakan Penyaringan Sederhana Berbasis Limbah Cangkang Siput Gonggong Di Desa Kulur Ilir Kabupaten Bangka Tengah”, jpu, vol. 3, no. 2, Aug. 2018, doi: 10.33019/jpu.v3i2.154.