Kondratovich, S.V., S.V. Novakovskiy, and D.V. Kachalov. 2022. “MONITORING THE PSYCHOLOGICAL STATE OF HOCKEY PLAYERS IN THE PRE-COMPETITIVE PERIOD”. Theory and Practice of Physical Culture, no. 11 (November):12-14. http://tpfk.ru/index.php/TPPC/article/view/434.