00620nam#a2200193#i#450# EN\INFRA-M\book\1605 20240425050149.4 20170210d2017####ek#y0engy0150####ca RUS RU Business communication in the service: documentary, speech, branding, and advertising technologies Textbook Moscow INFRA-M Academic Publishing LLC. 2017 229 с. Textbook local Nadyeina Tatyana Goncharova Lyubov Markovna Goykhman Oskar Yakovlevich Koshlyakova Mariya Oskarovna naukaru.ru