PLESSAS, D. J.; DAVOS, C. A. The Greek regional problem: Some analytic and policy perspectives. The Greek Review of Social Research, [S. l.], v. 14, p. 163–171, 1972. DOI: 10.12681/grsr.404. Disponível em: https://ejournals.epublishing.ekt.gr/index.php/ekke/article/view/7026. Acesso em: 20 may. 2024.