00705nam#a2200193#i#450# EN\RIOR\book\5066 20260504170711.1 20260503d2026####ek#y0engy0150####ca RU Management of the Contract System in the Field of Procurement in the Russian Federation Textbook Moscow Publishing Center RIOR 2026 372 с. Textbook local Государственная власть. Государственные органы. 342.5 Grigor'eva Ol'ga Gennad'evna Biyarslanov Badrutdin Gadzhievich Pavlyuk Al'bert Valentinovich Trapaidze Konstantin Z. riorpub.com