Training of self-confidence and control of anxiety in athletes of the u-16 category of Bogotá D.C. Impetus, [S. l.], v. 16, n. 1, p. e-904, 2022. DOI: 10.22579/20114680.904. Disponível em: https://ojsunillanos.dev5.metabiblioteca.com.co/index.php/impetus/article/view/904. Acesso em: 7 mar. 2026.