Doskarayev B, Iskakova A, Syzdykova S. Forma de entrenamiento físico en instituciones educativas (sistema de clubes) (Form of physical training in educational institutions (club system)). Retos [Internet]. 2023 Sep. 15 [cited 2026 Jun. 10];50:1224-31. Available from: https://revistaretos.org/index.php/retos/article/view/100247