Islami, Aditya Akbar. “Modification of Sports Motivation Instruments Based Sport Motivation Scale-II”. Jurnal Sains Sukan & Pendidikan Jasmani 9, no. 1 (June 26, 2020): 15–22. Accessed May 18, 2024. https://ojs.upsi.edu.my/index.php/JSSPJ/article/view/3131.