PREVALENCE OF SOIL TRANSMITTED HELMINTH INFECTION IN PUBLIC ELEMENTARY SCHOOL STUDENTS 105296 PERCUT SEI TUAN , DELI SERDANG, NORTH SUMATRA. JIMKI [Internet]. 2021 Feb. 21 [cited 2026 May 2];8(3):1-7. Available from: https://jimki.bapin.or.id/main/article/view/249