“Physical Fitness Level of Students at Tiga Hati Kepenuhan Hulu Middle School”. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga 17, no. 3 (October 8, 2025): 2251–2266. Accessed December 7, 2025. http://competitor.ojsunm.ac.id/index.php/competitor/article/view/422.