POLEVOY, G. Períodos sensibles de desarrollo de la flexibilidad en la edad escolar (Sensitive periods of flexibility development at school age). Retos, [S. l.], v. 56, p. 1066–1074, 2024. DOI: 10.47197/retos.v56.106243. Disponível em: https://recyt.fecyt.es/index.php/retos/article/view/106243. Acesso em: 30 jun. 2024.