Haryanto, Ery, Sulaiman Sulaiman, and Donny Wira Yudha Kusuma. “The Relationship Between Discipline, Responsibility, and Motivation Study to Study Achievement”. Journal of Physical Education and Sports 8, no. 4 (July 25, 2019): 64-70. Accessed May 21, 2024. https://journal.unnes.ac.id/sju/jpes/article/view/31993.