POLEVOY, Georgiy. ARTICLE RETRACTED DUE TO PLAGIARISM BY THE AUTHOR Períodos sensitivos para el desarrollo de la resistencia de los escolares (Sensitive periods for the development of endurance of schoolchildren): ARTICLE RETRACTED DUE TO PLAGIARISM BY THE AUTHOR. Retos, [S. l.], v. 55, p. 672–678, 2024. DOI: 10.47197/retos.v55.104093. Disponível em: https://www.revistaretos.org/index.php/retos/article/view/104093. Acesso em: 15 jun. 2026.