MAZZETTI, E. Some Considerations about the Social Clivage between North and South of the World and Hypotheses on Geopolitical Perspectives. Bollettino della Società Geografica Italiana, [S. l.], p. 89–97, 2009. DOI: 10.36253/bsgi-7220. Disponível em: https://bsgi.it/index.php/bsgi/article/view/7220. Acesso em: 15 oct. 2026.