Nainggolan NA. A Association of Knowledge, Behavior, and Environmental Sanitation with Helminthiasis among Children Aged 7–9 Years in Namo Sialang Village, 2024: Association of Knowledge, Behavior, and Environmental Sanitation with Helminthiasis among Children Aged 7–9 Years in Namo Sialang Village, 2024. JKM [Internet]. 2025 Jun. 30 [cited 2026 Jun. 21];18(1). Available from: https://ejurnal.methodist.ac.id/index.php/jkm/article/view/5777