Lutskyi О. L. Recommendations to management body for introduction modern approach monitoring and searching for underground communication through state border. Honor and Law, [S. l.], v. 4, n. 47, p. 16–18, 2019. DOI: 10.33405/2078-7480/2013/4/47/141236. Disponível em: https://chiz.nangu.edu.ua/article/view/141236. Acesso em: 13 mar. 2026.