Osiadla, Mariia V. “VALUABLE CONTENT OF LEGAL ACTS: THEORETICAL AND PRACTICAL ASPECT”. Scientific works of Kyiv Aviation Institute. Series Law Journal "Air and Space Law" 4, no. 45 (December 29, 2017): 59–64. Accessed June 13, 2026. http://jrnl.kai.edu.ua/index.php/UV/article/view/12266.