SESSA, E. Mapping Differentiated European Integration: A Dynamic Proximity Approach. Bollettino della Società Geografica Italiana, [S. l.], v. 9, n. 1, p. 123–134, 2025. DOI: 10.36253/bsgi-7607. Disponível em: https://www.bsgi.it/index.php/bsgi/article/view/7607. Acesso em: 6 oct. 2026.