Scanu, Giuseppe, Carlo Donato, Gavino Mariotti, Caterina Madau, Veronica Camerada, Silvia Battino, Cinzia Podda, and Salvatore Lampreu. “Inner and Internal Areas in the European Cohesion Policies”. Bollettino della Società Geografica Italiana 2 (June 24, 2020): 25–36. Accessed October 11, 2026. https://bsgi.it/index.php/bsgi/article/view/743.