Sala, Krzysztof, and Daniel Szostak. “Contemporary Conditions for the Development of Chain Hotels in Poland – Introduction to the Functioning of Large Tourist Enterprises”. Studies of the Industrial Geography Commission of the Polish Geographical Society 38, no. 1 (March 27, 2024): 27–42. Accessed May 9, 2024. https://prace-kgp.uken.krakow.pl/article/view/10577.