Dewi Yusnisa Putri, Shinta Indah and Denny Helard 2022. Bacteriological Contamination of Groundwater Affected by Septic Tanks Condition in Koto Tangah District, Padang, Indonesia. JURNAL KESEHATAN LINGKUNGAN . 14, 3 (Jul. 2022), 163–170. DOI:https://doi.org/10.20473/jkl.v14i3.2022.163-170.