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. IJSE [Internet]. 2026 May 13 [cited 2026 Sep. 23];41(11s):1487-501. Available from: https://internationalsped.com/index.php/ijse/article/view/4457