CZERNY, M.; CZERNY, A. Models for the Spatial Development of Medium-Sized Cities in Poland in the Era of Transformation as Exemplified by Puławy, Płock and Siedlce. Olsztyn Economic Journal, [S. l.], v. 14, n. 1, p. 5–26, 2019. DOI: 10.31648/oej.3625. Disponível em: https://czasopisma.uwm.edu.pl/index.php/oej/article/view/3625. Acesso em: 7 may. 2024.