Effect of Audiovisual Media on the Level of Knowledge of Boarding Students of the West Sumatra Student Coaching and Sports Training Center about the Occurrence of Avulsion. eG [Internet]. 2023 Apr. 6 [cited 2026 Jul. 30];11(2):206-12. Available from: https://ejournal.unsrat.ac.id/v3/index.php/egigi/article/view/44674