Maksimov, D.G., A.V. Anoshin, N.V. Kotlyachkova, and A.Y. Merzlyakova. “Popular Physical Education and Sports in the Volga Federal District: Progress Analysis”. Theory and Practice of Physical Culture, no. 11 (January 3, 2022): 38–40. Accessed November 22, 2024. http://tpfk.ru/index.php/TPPC/article/view/42.