Гостюк, Василь Іванович. “Modern Models of State Regulation of Tourism Activities: The International Practice”. Scientific works of National Aviation University. Series: Law Journal "Air and Space Law" 2, no. 35 (June 10, 2015): 105–108. Accessed May 2, 2024. https://jrnl.nau.edu.ua/index.php/UV/article/view/8567.