FULTERER, Ruth; LUNGU, Ioana. The Speeds of Europe - An Analysis of Regional Disparities Across the EU. Wirtschaft und Gesellschaft, Wien, Österreich, v. 44, n. 2, p. 169–190, 2018. Disponível em: https://journals.akwien.at/index.php/wug/article/view/2600.. Acesso em: 23 mar. 2026.