“Ecologization of Tourist Activities As a Factor of Sustainable Development of the Regions of Ukraine”. The Journal of V. N. Karazin Kharkiv National University. Series: International Relations. Economics. Country Studies. Tourism, no. 18 (December 31, 2023): 52–61. Accessed November 11, 2026. https://periodicals.karazin.ua/irtb/article/view/23466.