2025. The Effect of Physical Education Lessons on Reducing Learning Stress Levels in Class VIII Students of SMP Negeri 4 Kunto Darussalam. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga. 17, 3 (Oct. 2025), 2267–2274. DOI:https://doi.org/10.26858/cjpko.v17i3.423.