Zelenskiy, K. ., G. . Ponomarev, V. . Kostyuchenko, and V. . Zverev. “Assessing the Level of Mental Skills Among Young Athletes at Different Stages of Physical Training in Sports Radio Direction-Finding”. Theory and Practice of Physical Culture, no. 3, Apr. 2026, pp. 16-19, http://www.tpfk.ru/index.php/TPPC/article/view/1606.