Sołtys J, Dorocki S. Non-metropolitan Industrial NUTS 3 Sub-regions in the European Union – Identification and Typology. Prace KGP PTG [Internet]. 2016 Nov. 12 [cited 2024 Nov. 21];30(2):55-71. Available from: https://prace-kgp.uken.krakow.pl/article/view/3206