00602naa#a2200181#i#450# EN\\bibl\3403 20241116224631.6 1999-5644 20140902b2014####ek#y0engy0150####ca RUS RU Greating a cluster-logistic structure of the tourist and recreation system: economic appraisal of the potential Journal article CHERKIZOVO Russian State University of Tourism and Service 2014 6 с. Journal article local Lugovskoy Aleksandr Mezhova Lidiya vestnik-rguts.editorum.ru