00576naa#a2200205#i#450# EN\INFRA-M\bibl\5617 /en/manage/index 20250411070440.5 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. test.editorum.ru /en/manage/index