The Impact of HIIT type II on endurance optimization in young amateur futsal players. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, [S. l.], v. 11, n. 1, p. 32–49, 2025. DOI: 10.29407/js_unpgri.v11i1.24780. Disponível em: https://ojs.unpkediri.ac.id/index.php/pjk/article/view/24780. Acesso em: 17 may. 2025.