00503naa#a2200169#i#450# EN\INFRA-M\bibl\13842 20241017023659.4 2305-7807 20161128b2016####ek#y0engy0150####ca RUS RU Organizational and methodological aspects of management personnel certification Journal article Moscow INFRA-M Academic Publishing LLC. 2016 2 с. Journal article local Medvedev A. I. naukaru.ru