00468naa#a2200169#i#450# EN\INFRA-M\bibl\15815 20241104185954.1 2500-0500 20170317b2017####ek#y0engy0150####ca RUS RU Social Advertising: Effectiveness Evaluation Journal article Moscow INFRA-M Academic Publishing LLC. 2017 3 с. Journal article local Grigorev S. I. naukaru.ru