Widohardhono R, Nurhasan N, Mintarto E, Jannah M. Developing Model and Psychological Competencies Scale of 100 Meter Runner Student Athletes. IJORER  Int. J. Recent Educ. Res. [Internet]. 2022Mar.31 [cited 2025Aug.2];3(2):192-9. Available from: https://journal.ia-education.com/index.php/ijorer/article/view/190