1.
RETOS R. RETRACTION Polevoy, G. (2024). Períodos sensibles de desarrollo de la flexibilidad en la edad escolar (Sensitive periods of flexibility development at school age). Retos, 56, 1066–1074. https://doi.org/10.47197/retos.v56.106243. Retos [Internet]. 2025 Feb. 1 [cited 2025 Dec. 16];63. Available from: http://207.180.252.49/index.php/retos/article/view/112687