SMIRNOVA, Y.; SAYKINA, E. .; SMIRNOV, V. .; STANKEVICH, P. . ruThe use of crossfit in the system of physical training of special unit personnel. Theory and Practice of Physical Culture, [S. l.], n. 7, p. 47–49, 2026. Disponível em: http://tpfk.ru/index.php/TPPC/article/view/1730. Acesso em: 15 oct. 2026.