Protection and Control of the State Border as a Component of Ensuring National Security of Ukraine. Bulletin of Kharkiv National University of Internal Affairs, [S. l.], v. 86, n. 3, p. 89–100, 2019. DOI: 10.32631/v.2019.3.09. Disponível em: https://visnyk.univd.edu.ua/index.php/VNUAF/article/view/238. Acesso em: 19 sep. 2025.