KENGESBAYEVICH, R. M. Methods of multi-year training of athletes. Journal of Innovation in Education and Social Research, [S. l.], v. 1, n. 3, p. 157–160, 2023. Disponível em: https://journals.proindex.uz/index.php/JIESR/article/view/218. Acesso em: 4 apr. 2026.