Principles of Activity of the Rapid Border Response Units of the State Border Guard Service of Ukraine. University Scientific Notes, [S. l.], v. 18, n. 3 (71), p. 331–339, 2019. DOI: 10.37491/UNZ.71.27. Disponível em: https://unz.univer.km.ua/index.php/unz/article/view/71_331-339. Acesso em: 4 feb. 2026.