00456naa#a2200169#i#450# EN\INFRA-M\bibl\14945 20260120110234.2 2500-0500 20161201b2016####ek#y0engy0150####ca RUS RU Methodology of Sociological Research Journal article Moscow INFRA-M Academic Publishing LLC. 2016 0 с. Journal article local Ivanov A. naukaru.ru