00610naa#a2200193#i#450# EN\\bibl\3410 20241014192458.1 1999-5644 20140902b2014####ek#y0engy0150####ca RUS RU Educational internet-resources: challenges to application in the hospitality industry Journal article CHERKIZOVO Russian State University of Tourism and Service 2014 6 с. Journal article local Maloletko Natalya Maloletko Aleksandr Nikolaevich Vorobeva Tatyana naukaru.ru