Kumalasari EA, Alim A, Sukamti ER, Tomoliyus. Differences in Training Motivation of Early and Adolescent Badminton Athletes in Bantul District. Ind. Jo. Spo. Man. [Internet]. 2025 Aug. 31 [cited 2025 Sep. 8];5(3). Available from: https://www.ejournal.unma.ac.id/index.php/ijsm/article/view/15692