Калетнік, Василь Васильович. “THEORETICAL ASPECTS OF IMPROVEMENT OF NATIONAL LEGISLATION IN THE CONTEXT OF COUNTERING THE DESTRUCTIVE ACTIVITY OF AGENTS OF INFLUENCE”. Scientific works of Kyiv Aviation Institute. Series Law Journal "Air and Space Law" 3, no. 56 (September 30, 2020): 81–88. Accessed December 6, 2025. https://jrnl.nau.edu.ua/index.php/UV/article/view/14895.