Fatoni F, Raswadi MD. Relationship of Resting Heart Rate Variability to Physical Fitness Levels in Adolescents. BJI [Internet]. 2026 May 19 [cited 2026 Aug. 4];12(2):145-50. Available from: https://bji-fk.ejournal.unsri.ac.id/index.php/bji/article/view/327