Shpak, Nestor, Ihor Kulyniak, Ihor Novakivskyi, and Ihor Oleksiv. “Clusterization in Tourism Development Level’s Assessment of Regions: Example of Ukraine”. Journal of Tourism and Services 14, no. 26 (June 29, 2023): 45–56. Accessed December 4, 2024. https://jots.cz/index.php/JoTS/article/view/444.