The effect of interval training exercises on the development of performance endurance and some physiological variables among young soccer players. Journal of Humanities and Social Sciences Research, [S. l.], v. 2, n. 4, 2023. DOI: 10.33687/jhssr.002.04.0241. Disponível em: https://jhssrjournal.com/index.php/journal/article/view/241. Acesso em: 24 apr. 2026.