Siregar, Nurhanifah, Wiwi Wardani Tanjung, and Lena Juliana Harahap. 2022. “Depot Sanitation, Hygiene, and Analysis of Total Microba Control in Refilled Drinking Water in The Barus District”. International Journal of Basic and Applied Science 10 (4):154-62. https://doi.org/10.35335/ijobas.v10i4.68.