Vorobyev, S.A., N.A. Breider, M.Y. Shchennikova, and G.V. Bogomolov. “Regional Physical Education and Sports Sector Development Statistics: Comparative Analysis”. Theory and Practice of Physical Culture, no. 3 (April 5, 2022): 40–42. Accessed November 25, 2024. http://tpfk.ru/index.php/TPPC/article/view/164.