MIAZEK, P. Causes of variations in the scale of tourism in Polish national parks. Turyzm/Tourism, [S. l.], v. 30, n. 1, p. 71-83, 2020. DOI: 10.18778/0867-5856.30.1.19. Disponível em: http://czasopisma.uni.lodz.pl/tourism/article/view/7971. Acesso em: 18 jan. 2021.