Harahap, Inayah Arlita, Evawany Yunita Aritonang, and Etti Sudaryati. “Relationship Between Physical Activity and Obesity Incidence Among Vocational School Students in Medan City in 2025”. International Journal of Health, Education & Social (IJHES) 8, no. 6 (June 30, 2025). Accessed October 7, 2026. https://ijhes.com/index.php/ijhes/article/view/400.