00713naa#a2200181#i#450# EN\INFRA-M\bibl\17652 20241213000426.5 2587-9103 20170906b2017####ek#y0engy0150####ca RUS RU The Typical Mistakes In the Texts of Written Business Communication Through the Infringement of Language Norms (on the Material of the Distance Learning Courses For State Employees of the Lipetsk Region) Journal article Moscow INFRA-M Academic Publishing LLC. 2017 5 с. Journal article local Лингвистика. Языкознание. Языки. 81 RUS Selemenova O. A. naukaru.ru