Korol, Oleksandr, and Tetiana Skutar. “Comparative Analysis of International (Inbound) Tourism Development Within Ukraine and Poland”. Studies of the Industrial Geography Commission of the Polish Geographical Society 32, no. 2 (June 29, 2018): 338–355. Accessed March 29, 2024. https://prace-kgp.up.krakow.pl/article/view/20801653.322.24.