00523naa#a2200169#i#450# EN\\bibl\11810 20260516031437.6 1999-5644 20160615b2016####ek#y0engy0150####ca RUS RU Features of the development of the course «Communicative technologies in the service» Journal article CHERKIZOVO Russian State University of Tourism and Service 2016 7 с. Journal article local Ermakova Elena zh-szf.ru