KOWALCZYK, A. . Geography of tourism at the Warsaw University - Department of the Geography of Tourism and Recreation. Turyzm/Tourism, [S. l.], v. 18, n. 1, p. 87–88, 2008. DOI: 10.18778/0867-5856.18.1.10. Disponível em: https://czasopisma.uni.lodz.pl/tourism/article/view/10156. Acesso em: 4 may. 2024.