Doskarayev, Baurzhan, Almira Iskakova, and Saule Syzdykova. “Forma De Entrenamiento físico En Instituciones Educativas (sistema De Clubes) (Form of Physical Training in Educational Institutions (club system))”. Retos 50 (September 15, 2023): 1224–1231. Accessed June 10, 2026. https://revistaretos.org/index.php/retos/article/view/100247.