Shamara, Iryna, and Karina Azarova. “Current State, Problems and Prospects of the Development of the Ukraine’s Tourism Service Market”. The Journal of V. N. Karazin Kharkiv National University. Series: International Relations. Economics. Country Studies. Tourism0, no. 8 (February 8, 2019): 196-203. Accessed November 21, 2024. https://periodicals.karazin.ua/irtb/article/view/12301.