Szczepańska, Magdalena, Michał Krzyżaniak, Dariusz Świerk, Miłosz Walerzak, and Piotr Urbański. “Birdwatching As a Potential Factor in the Development of Tourism and Recreation in the Region”. Regional Barometer. Analyses & Prognoses 12, no. 4 (February 23, 2015): 27–38. Accessed May 31, 2025. https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/980.