Comparison of the Effectiveness of Discovery Learning and Problem-Based Learning Models in Volleyball-Based Physical Education Learning. Compet. J. Pendidik. Kepelatihan Olahraga [Internet]. 2025 Oct. 31 [cited 2025 Dec. 8];17(3):3192-205. Available from: https://competitor.idjournal.eu/index.php/competitor/article/view/461