00670naa#a2200181#i#450# EN\INFRA-M\bibl\37231 /en/manage/index 20250328032803.5 2500-3305 20200420b2020####ek#y0engy0150####ca RU Problems of education of all-Russian identity in preparation for Unified State Exam Journal article Moscow INFRA-M Academic Publishing LLC. 2020 5 с. Journal article local Образование. Воспитание. Обучение. Организация досуга. 37 Titova Elena Nikolaevna test.editorum.ru /en/manage/index