Муратов ОЄ, Ворожко ВП. The basic provisions of information classification order in the USA. Bezpeka ìnf. [Internet]. 2012 June 15 [cited 2026 Oct. 23];17(1):4-9. Available from: https://jrnl.kai.edu.ua/index.php/Infosecurity/article/view/2860