Ibrahim S, Raharjo B, Raharjo A. Differences in Interval Training and Fartlek Training Methods on Increasing VO2MAX in Pembalang FC Regency Football Players North Luwu. JPES [Internet]. 30Jun.2023 [cited 20Dec.2024];12(2):81-7. Available from: https://journal.unnes.ac.id/sju/jpes/article/view/78066