Study on the Importance of Attention and Combativity in Competitions at Judoka athletes for 11-13 Years. GYMNASIUM, [S. l.], v. 18, n. 1, 2017. DOI: 10.29081/gsjesh.2017.18.1.15. Disponível em: https://gymnasium.ub.ro/journal/article/view/18. Acesso em: 24 may. 2025.