Kostyuchenko, V. ., V. Zverev, V. . Lutkovsky, and S. . Sukhoreva. “IMPLEMENTATION OF AN INDIVIDUAL APPROACH IN SPORT”. 2023. Theory and Practice of Physical Culture, no. 3, Apr. 2023, pp. 3-5, http://tpfk.ru/index.php/TPPC/article/view/478.