00585naa#a2200181#i#450# EN\INFRA-M\bibl\20642 20240908112129.7 2500-0527 20180524b2018####ek#y0engy0150####ca RUS RU To a question of structure and classification of costs of production Journal article Moscow INFRA-M Academic Publishing LLC. 2018 7 с. Journal article local Экономика. Экономические науки. 33 RUS Viktorova Ol'ga Petrovna naukaru.ru