The Effect of Interval Training and Fartlek Training on VO2Max of MA Syekh Yusuf Futsal Extracurricular Participants in Motivation. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, [S. l.], v. 17, n. 3, p. 2185–2195, 2025. DOI: 10.26858/cjpko.v17i3.421. Disponível em: https://competitor.idjournal.eu/index.php/competitor/article/view/421. Acesso em: 8 dec. 2025.