CHERNIAK, Olena; KIRYK, Alla. Licensing of Tourist Activity in Foreign Countries. University Scientific Notes, [S. l.], n. 3 (81), p. 87–97, 2021. DOI: 10.37491/UNZ.81.7. Disponível em: https://www.unz.univer.km.ua/index.php/unz/article/view/81_87-97. Acesso em: 14 mar. 2026.