Homla, Pipitton, Pakinee Ariya, Perasuk Worragin, Supicha Niemsup, Kitti Puritat, and Kannikar Intawong. “Effectiveness of an E-Learning System for Emergency Signs and CPR Emergency Preparedness in Marathon Events: A Comparative Study”. International Journal of Online and Biomedical Engineering (iJOE) 20, no. 01 (January 12, 2024): pp. 4–22. Accessed November 24, 2024. https://online-journals.org/index.php/i-joe/article/view/44927.