1.
Yusuf D, Wiradihardja S, Hermawan I. The effect of flexibility, kinesthetic perception, and motivation on the skills of the 50 meter butterfly swimming. GJIK [Internet]. 2022 Dec. 30 [cited 2024 Nov. 5];13(04):360-72. Available from: https://journal.unj.ac.id/unj/index.php/gjik/article/view/28513