00660naa#a2200169#i#450# EN\INFRA-M\bibl\38679 20241017131950.4 1998-1740 20200729b2020####ek#y0engy0150####ca RU On a Personalized Educational System Oriented Towards Professional Self-Determination of Students in the Mainstream School Journal article Moscow INFRA-M Academic Publishing LLC. 2020 7 с. Journal article local Образование. Воспитание. Обучение. Организация досуга. 37 Muhametova Ol'ga Anatol'evna naukaru.ru