Putra, C.M.M. 2018. The Physical And Microbiological Quality Of Clean Water In Nanas Sub Village Kediri District Post Natural Phenomena Sinking Wells. JURNAL KESEHATAN LINGKUNGAN . 10, 4 (Dec. 2018), 36–367. DOI:https://doi.org/10.20473/jkl.v10i4.2018.36-367.