Gorzym-Wilkowski, Waldemar. “Lublin Metropolitan Area in Terms of Spatial Planning”. Regional Barometer. Analyses & Prognoses 11, no. 4 (December 31, 2013): 115–123. Accessed April 19, 2024. https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/1098.