Prospects for an EU macro-regional approach in the Black Sea region. plaNext–Next Generation Planning, [S. l.], v. 2, n. 1, p. 129–147, 2016. DOI: 10.24306/plnxt.2016.02.008. Disponível em: https://journals.aesop-planning.eu/index.php/planext/article/view/77. Acesso em: 13 mar. 2026.