European Regional Disparities: The Crucial Source of European un-sustainability. Lex localis - Journal of Local Self-Government, [S. l.], v. 11, n. 3, p. 601–614, 2013. DOI: 10.4335/11.3.601-614(2013). Disponível em: http://lex-localis.org/index.php/LexLocalis/article/view/11.3.601-614%282013%29. Acesso em: 26 oct. 2025.