00523naa#a2200193#i#450# EN\INFRA-M\bibl\5617 20240506192502.1 1998-0701 20150420b2015####ek#y0engy0150####ca RUS RU Assessment Services Market Competition Journal article Moscow INFRA-M Academic Publishing LLC. 2015 3 с. Journal article local Rumyantseva I. Smaragdov I. Motokhin A. naukaru.ru