ZIÓŁKOWSKI, R. CHARACTERISTICS OF TOURISM ACTIVITY IN AREAS OF HIGH NATURE VALUE. Acta Scientiarum Polonorum. Oeconomia, [S. l.], v. 9, n. 4, p. 657–667, 2010. Disponível em: https://aspe.sggw.edu.pl/article/view/654. Acesso em: 25 nov. 2024.