1.
Chojnacka-Ożga L, Ożga W. THE IMPORTANCE OF NATURAL RESOURCES EDUCATION TO THE ECO-FRIENDLY TOURISM. aspe [Internet]. 2010Dec.30 [cited 2024Dec.23];9(4):91-100. Available from: https://js.wne.sggw.pl/index.php/aspe/article/view/3938