Dziekański, Paweł, Łukasz Popławski, and Andrzej Pawlik. “Spatial Differentiation of Infrastructure in Polish Counties: The Role of Demographic and Environmental Indicators”. Economics and Environment 97, no. 2 (July 3, 2026): 1341. Accessed July 15, 2026. https://www.ekonomiaisrodowisko.pl/journal/article/view/1341.