MIŁEK, D. Spatial differentiation in the social and economic development level in Poland. Equilibrium. Quarterly Journal of Economics and Economic Policy, [S. l.], v. 13, n. 3, p. 487–507, 2018. DOI: 10.24136/eq.2018.024. Disponível em: http://economic-research.pl/Journals/index.php/eq/article/view/1062. Acesso em: 26 mar. 2023.