Tsepelevich, M. ., A. . Okuneva, D. . Savin, and I. . Golovanova. “The Contribution of the Accuracy of Spatial Tracking of Moving Objects to the Competitive Efficiency of Hockey Defenders 13-15 Years Old”. Theory and Practice of Physical Culture, no. 4, Apr. 2023, http://tpfk.ru/index.php/TPPC/article/view/551.