Gotowski, Rafał, Krzysztof Parzych, Wiktoria Karczewska, and Aleksandra Gotowska. “The Upper Notec and Goplo Lake Sailing Trail and Place of Water Tourism”. Journal of Education, Health and Sport 8, no. 6 (June 30, 2018): 418–426. Accessed April 12, 2024. https://apcz.umk.pl/JEHS/article/view/6167.