Grigan, S.A., Ryzhkin N.V., I.A. Korobov, and N.I. Soprunov. “SYSTEMIC APPROACH TO INCENTIVE ATHLETES IN BULLET SHOOTING”. Theory and Practice of Physical Culture, no. 3 (April 23, 2023). Accessed January 23, 2025. http://tpf1610220.nichost.ru/index.php/TPPC/article/view/486.