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- [1] Tourism product in national parks - effects of COVID-19 pandemic PRACE KOMISJI GEOGRAFII PRZEMYSLU POLSKIEGO TOWARZYSTWA GEOGRAFICZNEGO-STUDIES OF THE INDUSTRIAL GEOGRAPHY COMMISSION OF THE POLISH GEOGRAPHICAL SOCIETY, 2022, 36 (02): : 177 - 189
- [2] A Comparative Study on the Sustainable Development of Tourism in Chinese and American National Parks PROCEEDINGS OF THE 9TH EURO-ASIA CONFERENCE ON ENVIRONMENT AND CSR: TOURISM, SOCIETY AND EDUCATION SESSION (PT II), 2013, : 83 - 87