Moskvichova, Olena, Iryna Hryhoruk, Yuliia Marchenko, and Yuliia Veretilnyk. “Global Development of International Tourism and Impact on the Economy of Ukraine”. European Journal of Sustainable Development 10, no. 4 (October 1, 2021): 108. Accessed December 3, 2021. https://ojs.ecsdev.org/index.php/ejsd/article/view/1264.