%0 Journal Article %T CONDITIONS AND PREREQUISITES OF DEVELOPMENT OF CLUSTERS IN THE SPHERE OF YOUTH TOURISM IN THE NORTH-WEST FEDERAL DISTRICT %A Grishin , S.. %A Karpova , G.. %K youth tourism, tourism product, motivation of the consumer of tourism services, special types of tourism, state regulation of tourism activities %J Universities for Tourism and Service Association Bulletin %D 2016 %N 10 %P 8 %I Russian State University of Tourism and Service