00540naa#a2200181#i#450# EN\INFRA-M\bibl\4964 20260413042119.1 2305-7807 20150217b2015####ek#y0engy0150####ca RUS RU Causes and Types of Positional Conflicts in Organizations Advertising Services Journal article Moscow INFRA-M Academic Publishing LLC. 2015 7 с. Journal article local Shchegulina Oksana V. Shchegulin A. naukaru.ru