Irkhin, V. ., I. . Gomzyakova, R. . Oldenburger, and I. . Komarova. “DEVELOPMENT OF NATIONAL ARMY HAND-TO-HAND COMBAT AS A SPORT”. 2023. Theory and Practice of Physical Culture, no. 2, Apr. 2023, pp. 13-15, http://tpfk.ru/index.php/TPPC/article/view/525.