I Ketut Budaya Astra, I Nyoman Parwati, I Made Tegeh, I Gde Wawan Sudatha. “The Effect of Problem-Based Flipped Learning Model and Learning Autonomy on Students’ Critical Thinking and Tennis Ground Stroke Performance in Physical Education”. International Journal of Special Education, vol. 41, no. 11s, May 2026, pp. 1487-01, https://internationalsped.com/index.php/ijse/article/view/4457.