Kuzmina S.V., Saykina E.G., Volkova N.L., and Lamova V.M. “Practice-Oriented Training for Students in the Fitness Industry”. Theory and Practice of Physical Culture, no. 11, Jan. 2025, pp. 76-80, http://tpf1610220.nichost.ru/index.php/TPPC/article/view/1184.