Pawlicz, Adam, and Robert Kubicki. “SHARING ECONOMY DEVELOPMENT PATHS IN NON-URBAN AREAS. THE CASE OF HOSPITALITY PRODUCT IN POLISH NATIONAL PARKS”. Economics and Environment 63, no. 4 (October 1, 2017): 11. Accessed November 21, 2024. https://ekonomiaisrodowisko.pl/journal/article/view/341.