00585naa#a2200169#i#450# EN\\bibl\13399 20241225065010.3 1995-042X 20161107b2016####ek#y0engy0150####ca RUS RU CERTIFICATION AND CLUSTERING OF TOURIST DESTINATIONS AS THE BASIS OF SUSTAINABLE DEVELOPMENT OF RURAL TOURISM (ON MATERIALS OF STAVROPOL KRAI) Journal article CHERKIZOVO Russian State University of Tourism and Service 2016 10 с. Journal article local Varivoda Valentina naukaru.ru