00493naa#a2200169#i#450# EN\INFRA-M\bibl\3562 20241126125018.2 2305-7807 20141010b2014####ek#y0engy0150####ca RUS RU Characteristics of Development of Exhibition and Fair Activities in Moscow Journal article Moscow INFRA-M Academic Publishing LLC. 2014 4 с. Journal article local Lapina N. naukaru.ru