https://vital.lib.tsu.ru/vital/access/manager/Index ${session.getAttribute("locale")} 5 Social networking as an advertising tool in Russia and abroad https://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000624107 Thu 19 Apr 2018 11:20:39 KRAT ]]> Techniques for upgrading educational standards in tourism: how to integrate business circles into university research? https://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000624108 Thu 19 Apr 2018 11:20:36 KRAT ]]>