Woźniak, Natalia, and Aleksandra Jezierska-Thöle. “Educational Paths As an Environmentally Friendly Form of Sustainable Tourism in Kuyavian-Pomeranian Voivodeship”. Geography and Tourism 1, no. 10 (June 30, 2022): 49–59. Accessed April 1, 2023. https://ojs.ukw.edu.pl/index.php/gat/article/view/771.