ЕВТИФИЕВ, А. С. Training of referees in wrestling. Slobozhanskyi Herald of Science and Sport, [S. l.], n. 1(51), p. 26–29, 2016. DOI: 10.15391/snsv.2016-1.004. Disponível em: https://journals.uran.ua/index.php/1991-0177/article/view/60871. Acesso em: 3 may. 2024.