Jackowski, Antoni, Izabela Sołjan, and Elżbieta Bilska. “Religious Tourism Centres in Poland and the Prospects for Their Development”. Turyzm/Tourism 9, no. 1 (June 30, 1999): 91–103. Accessed February 12, 2026. https://czasopisma.uni.lodz.pl/tourism/article/view/10296.