Relationship between motivation, intensity, performance and physical fitness in youth athletes. E-balonmano com, Journal of Sports Science, [S. l.], v. 21, n. 4, p. 571–582, 2025. DOI: 10.17398/1885-7019.21.571. Disponível em: https://revista-ebalonmano.unex.es/index.php/ebalonmano/article/view/2471. Acesso em: 29 may. 2026.