Płoskonka, Przemysław, Paweł Adamski, and Szymon Ciapała. “Limits of Interference of Survival Tourism in Natural Areas With Various Protective Regimes”. Studia Ecologiae et Bioethicae 16, no. 2 (June 30, 2018): 49–62. Accessed May 3, 2024. https://czasopisma.uksw.edu.pl/index.php/seb/article/view/6498.