Public order protection by Kharkiv region’s militia in the 20-s of the XX century. Bulletin of Kharkiv National University of Internal Affairs, [S. l.], v. 74, n. 3, p. 103–111, 2018. Disponível em: https://visnyk.univd.edu.ua/index.php/VNUAF/article/view/109. Acesso em: 17 sep. 2025.