ГОСТЮК, Василь Іванович. Modern models of state regulation of tourism activities: the international practice. Scientific works of Kyiv Aviation Institute. Series Law Journal "Air and Space Law", [S. l.], v. 2, n. 35, p. 105–108, 2015. DOI: 10.18372/2307-9061.35.8567. Disponível em: https://jrnl.kai.edu.ua/index.php/UV/article/view/8567. Acesso em: 18 oct. 2026.