KHUBBIEV, S. .; ZARODNYUK, G. .; KARAVAN, A. .; ZINOVIEV, N. . Developing physical fitness through the principle of ‘repetition without repetition’. Theory and Practice of Physical Culture, [S. l.], n. 3, p. 87–89, 2026. Disponível em: http://tpf1610220.nichost.ru/index.php/TPPC/article/view/1629. Acesso em: 15 may. 2026.