Chojnacka-Ożga, Longina, and Wojciech Ożga. “THE IMPORTANCE OF NATURAL RESOURCES EDUCATION TO THE ECO-FRIENDLY TOURISM”. Acta Scientiarum Polonorum. Oeconomia 9, no. 4 (December 30, 2010): 91–100. Accessed November 22, 2024. https://aspe.sggw.edu.pl/article/view/665.