Shamara, Iryna. “Theoretical Approaches to Definition of Tourism: The Essence and Role of It Today”. The Journal of V. N. Karazin Kharkiv National University. Series: International Relations. Economics. Country Studies. Tourism0, no. 5 (1): 167-170. Accessed November 21, 2024. https://periodicals.karazin.ua/irtb/article/view/6639.