00490naa#a2200169#i#450# EN\INFRA-M\bibl\7802 20240507130723.2 1998-0701 20151017b2015####ek#y0engy0150####ca RUS RU Internal Control Problems in Small and Medium Businesses Journal article Moscow INFRA-M Academic Publishing LLC. 2015 5 с. Journal article local Kalacheva Olga Nikolaevna naukaru.ru