00509naa#a2200169#i#450# EN\INFRA-M\bibl\6794 20260104171223.7 2587-9111 20150810b2015####ek#y0engy0150####ca RUS RU Estimation of Economic Efficiency of Educational Activities in Universities Journal article Moscow INFRA-M Academic Publishing LLC. 2015 5 с. Journal article local Basovskiy Leonid Efimovich zh-szf.ru