NITA, JERZY, and URSZULA MYGA-PIĄTEK. “GEOTOURIST POTENTIAL OF POST-MINING REGIONS IN POLAND”. Bulletin of Geography. Physical Geography Series, no. 7 (March 16, 2015): 139–156. Accessed July 18, 2024. https://apcz.umk.pl/BOGPGS/article/view/bgeo-2014-0007.