The Effect of Fartlek Training On Increasing Cardiovascular Endurance And Agility of Male Handball Athletes. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, [S. l.], v. 18, n. 1, p. 1271–1283, 2026. Disponível em: https://competitor.idjournal.eu/index.php/competitor/article/view/627. Acesso em: 26 feb. 2026.