Edison Siringoringo, and Nursyamsi. “Effects Of Health Education On Handwashing With Soap In Children Aged 10-12 Years”. Comprehensive Health Care 2, no. 3 (December 5, 2018): 77-85. Accessed June 8, 2025. https://www.ojs.stikespanritahusada.ac.id/index.php/chc/article/view/323.