00527naa#a2200181#i#450# EN\\bibl\12899 20241114062403.4 1993-7768 20160831b2016####ek#y0engy0150####ca RUS RU SOCIAL AND CULTURAL ASPECTS OF FREE INDEPENDENT TOURISM Journal article CHERKIZOVO Russian State University of Tourism and Service 2016 6 с. Journal article local Ryabova Tatyana V. Ertman Elena V. zh-szf.ru