Transformations in the police organization in the early 1920s. Bulletin of Kharkiv National University of Internal Affairs, [S. l.], v. 99, n. 4, p. 21–33, 2022. DOI: 10.32631/v.2022.4.02. Disponível em: https://visnyk.univd.edu.ua/index.php/VNUAF/article/view/520. Acesso em: 4 oct. 2025.