Arifin Z, Mulyana B, Sutresna N, Subarjah H, Wahyudin Pratama K. The effect of varied training methods with smaller class sizes on students’ front crawl swimming skills. SPORTIF [Internet]. 2024Apr.30 [cited 2024Nov.23];10(1):90-104. Available from: https://ojs.unpkediri.ac.id/index.php/pjk/article/view/22196