Czyż, Teresa. “Transformation of Poland’s Spatial-Economic Structure in the Years 1998-2008”. Quaestiones Geographicae 31, no. 2 (June 21, 2012): 71–82. Accessed July 17, 2024. https://pressto.amu.edu.pl/index.php/qg/article/view/v10117-012-0020-x.