00709naa#a2200181#i#450# EN\INFRA-M\bibl\40202 /en/manage/index 20250719154545.6 1998-0744 20201123b2020####ek#y0engy0150####ca RU Regulatory Legal Support for the Events of the All-Russian Olympiad for Schoolchildren: a Draft of a New Procedure Journal article Moscow INFRA-M Academic Publishing LLC. 2020 21 с. Journal article local Образование. Воспитание. Обучение. Организация досуга. 37 Abaturova Valentina Vladimirovna fht.editorum.ru /en/manage/index