00511naa#a2200181#i#450# EN\INFRA-M\bibl\14853 20250107050733.2 2500-0527 20161225b2016####ek#y0engy0150####ca RUS RU Modern approaches to optimization of costs in the enterprise Journal article Moscow INFRA-M Academic Publishing LLC. 2016 0 с. Journal article local Ermakova L. Ostaeva A. naukaru.ru