Homla P, Ariya P, Worragin P, Niemsup S, Puritat K, Intawong K. Effectiveness of an E-learning System for Emergency Signs and CPR Emergency Preparedness in Marathon Events: A Comparative Study. Int. J. Onl. Eng. [Internet]. 2024 Jan. 12 [cited 2024 Nov. 24];20(01):pp. 4-22. Available from: https://online-journals.org/index.php/i-joe/article/view/44927