RIBEIRO HOFFMANN, A.; Κατσίκας Δ. Πρόλογος. Περιφέρεια | Regional Integration: Politics, Economics, Governance, [S. l.], v. 13, n. 13, p. 5–7, 2022. DOI: 10.12681/rp.30760. Disponível em: https://ejournals.epublishing.ekt.gr/index.php/periphery/article/view/30760. Acesso em: 9 απριλίου. 2025.