Lutkova N.V., Makarov Yu.M., Lutkov V.F., and Egorenko L.A. “Psychophysiological Parameters of Qualified Athletes, Players and Biathlonists”. Theory and Practice of Physical Culture, no. 1 (February 22, 2024): 19–21. Accessed November 22, 2024. http://tpfk.ru/index.php/TPPC/article/view/921.