annisa fadila and Yulia Khairina Ashar, “DESCRIPTION OF THE PROGRESS OF THE COMMUNITY BASED TOTAL SANITATION PROGRAM IN THE FIRST PILAR IN THE PROVINCE OF NORTH SUMATRA IN 2021-2022”, kes.uwi.j.kesehat.masy., vol. 9, no. 1, pp. 73–78, Jun. 2023.