00511naa#a2200169#i#450# EN\\bibl\12164 20241128225940.4 1995-042X 20160921b2016####ek#y0engy0150####ca RUS RU Business model of rural tourism in the formation of tourism cluster Journal article CHERKIZOVO Russian State University of Tourism and Service 2016 15 с. Journal article local Trukhachev Aleksandr zh-szf.ru