Bobkov, V.V., E.A. Zyurin, E.N. Petruk, and I.A. Karaseva. 2026. “Involvement of the Working-Age Population in Physical Culture and Sports Activities”. Theory and Practice of Physical Culture, no. 12 (January):59-62. http://tpfk.ru/index.php/TPPC/article/view/1543.