Korinth, Bartosz, and Jan A. Wendt. “The Impact of COVID-19 Pandemic on Foreign Tourism in European Countries”. Studies of the Industrial Geography Commission of the Polish Geographical Society 35, no. 3 (September 30, 2021): 186–204. Accessed May 24, 2024. https://prace-kgp.uken.krakow.pl/article/view/8600.