NIEZGODA, A.; MARKIEWICZ, E. Tourism product in national parks – effects of COVID-19 pandemic. Studies of the Industrial Geography Commission of the Polish Geographical Society, [S. l.], v. 36, n. 2, p. 177–189, 2022. DOI: 10.24917/20801653.362.11. Disponível em: https://prace-kgp.uken.krakow.pl/article/view/8822. Acesso em: 6 may. 2024.