ОЛІЙНИК, О. В. Principles of maintenance of the informational security of Ukraine. Scientific works of Kyiv Aviation Institute. Series Law Journal "Air and Space Law", [S. l.], v. 4, n. 41, p. 72–78, 2016. DOI: 10.18372/2307-9061.41.11123. Disponível em: https://jrnl.nau.edu.ua/index.php/UV/article/view/11123. Acesso em: 21 dec. 2025.