00782naa#a2200205#i#450# EN\INFRA-M\bibl\35434 20260515164523.5 1998-0744 20200227b2020####ek#y0engy0150####ca RUS RU Promising Areas for Advanced Training of Subject Teachers in the Training System for Participants of the All-Russian Olympiad for Schoolchildren Journal article Moscow INFRA-M Academic Publishing LLC. 2020 19 с. Journal article local Образование. Воспитание. Обучение. Организация досуга. 37 RUS Tsvetkova Marina S. Abaturova Valentina Vladimirovna Kiryukhin V. M. naukaru.ru