1.
Stiawan M, Suwarni S, Sumantri A. The Effect of Fartlek Training on Endurance in Runners at the Semarak Athletic Center. edusport [Internet]. 2Aug.2026 [cited 6Aug.2026];7(2):227-30. Available from: https://jurnal.unived.ac.id/index.php/edusport/article/view/11627