AHMED QASIM KADHIM. The Effect of Varied Fartlek Method Exercises on VO2max and Specific Endurance in Young Football Players. Pubmedia Jurnal Pendidikan Olahraga, [S. l.], v. 2, n. 4, p. 17, 2025. DOI: 10.47134/jpo.v2i4.1949. Disponível em: https://edu.pubmedia.id/index.php/jpo/article/view/1949. Acesso em: 4 jun. 2026.