TY - GENERIC DO - 10.20944/preprints201810.0475.v1 UR - http://dx.doi.org/10.20944/preprints201810.0475.v1 TI - The Effectiveness of Mollusk Sand Filtration and Absorption of Active Carbon to Decrease Pb, Turbidity and pH in Rain Water and Its Correlation to Public Health in Pontianak T2 - Preprints AU - Khayan, Khayan AU - Heru Husodo, Adi AU - Astuti, Indwiani AU - Sudarmadji, Sudarmadji AU - Sugandawaty, Tjut PY - 2018 DA - 2018/10/22 PB - Preprints