MANZI, E. Landscape, Tourism And Environmental Sustainability. Some Orientation Towards A Necessary Utopia. Bollettino della Società Geografica Italiana, [S. l.], p. 389–403, 2001. DOI: 10.36253/bsgi-2654. Disponível em: https://bsgi.it/index.php/bsgi/article/view/2654. Acesso em: 14 oct. 2026.