БАСАРАБ, О. К. System of efficiency indicators of telecommunication system functioning of State Border Guard Service of Ukraine. Problems of Informatization and Management, [S. l.], v. 2, n. 42, p. 10–13, 2013. DOI: 10.18372/2073-4751.2.6464. Disponível em: https://jrnl.nau.edu.ua/index.php/PIU/article/view/6464. Acesso em: 15 feb. 2026.