00795naa#a2200193#i#450# EN\INFRA-M\bibl\26836 20240702140547.2 2500-3291 20181227b2018####ek#y0engy0150####ca RUS RU Formation of mathematical model of assessment of quality of the innovative environment, the effective innovations providing implementation in the sphere of exhibition activity Journal article Moscow INFRA-M Academic Publishing LLC. 2018 5 с. Journal article local Управление предприятиями. Организация производства, торговли и транспорта. 65 RUS Tebekin A. V. Stosenko V. R. zh-szf.ru