00540naa#a2200169#i#450# EN\\bibl\20281 20241120034320.3 2541-822X 20180525b2018####ek#y0engy0150####ca RUS RU AUTOMATED CONTRACT MANAGEMENT SYSTEM Journal article Cheboksary Non-state educational private institution of additional professional education "Expert-methodological centre" 2018 4 с. Journal article local Bayguisova Aklima I. naukaru.ru