The Effect of Physical Education Lessons on Reducing Learning Stress Levels in Class VIII Students of SMP Negeri 4 Kunto Darussalam. Compet. J. Pendidik. Kepelatihan Olahraga. 2025;17(3):2267-2274. Accessed March 19, 2026. https://competitor.idjournal.eu/index.php/competitor/article/view/423