Zydroń, Adam, Dariusz Kayzer, and Krzysztof Szoszkiewicz. “Factors Differentiating Expected Compensation Level for Limiting Usage of the National Park of Wielkopolska”. Regional Barometer. Analyses & Prognoses 12, no. 4 (February 23, 2015): 165–170. Accessed November 8, 2024. https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/994.