ЮДІН, О. К.; СТРЕЛЬБІЦЬКИЙ, М. А. Content and hierarchy of registry information resources of Ukraine border service. Problems of Informatization and Control, [S. l.], v. 4, n. 56, p. 85–91, 2016. DOI: 10.18372/2073-4751.4.13148. Disponível em: http://jrnl.kai.edu.ua/index.php/PIU/article/view/13148. Acesso em: 14 jun. 2026.