00481naa#a2200169#i#450# EN\INFRA-M\bibl\9859 20250105162956.7 2500-3291 20151225b2015####ek#y0engy0150####ca RUS RU Management in social and economic systems of profitless sector Journal article Moscow INFRA-M Academic Publishing LLC. 2015 0 с. Journal article local Vorobev V. zh-szf.ru