00538naa#a2200193#i#450# EN\INFRA-M\bibl\629 20241110005328.7 2305-7807 20131010b2013####ek#y0engy0150####ca RUS RU DEVELOPMENT OF GRADES SYSTEM FOR A COMMERCIAL ORGANIZATION Journal article Moscow INFRA-M Academic Publishing LLC. 2013 5 с. Journal article local Glushko S. Bogoslov M. Druzhinin E. naukaru.ru