Safidni, E., D. R. Utami, A. Horhoruw, and R. A. Rahmat. “The Effectiveness Of Health Promotion On Handwashing Behavior With Soap In School Children”. International Journal of Health Sciences, vol. 4, no. 2, Apr. 2026, pp. 286-92, doi:10.59585/ijhs.v4i2.1196.