YAKOVISHIN, K. VIP-PERSONNEL FOR TELECOMMUNICATIONS. Proceedings of National Aviation University (archive), [S. l.], v. 57, n. 4, p. 161–164, 2014. DOI: 10.18372/2306-1472.57.5605. Disponível em: http://jrnl.kai.edu.ua/index.php/visnik/article/view/5605. Acesso em: 14 jun. 2026.