00613naa#a2200169#i#450# EN\INFRA-M\bibl\41394 20240724102148.3 1998-0744 20201231b2020####ek#y0engy0150####ca RU Development of Methodological Support for Specialized Training in Chemistry in High School Journal article Moscow INFRA-M Academic Publishing LLC. 2020 6 с. Journal article local Образование. Воспитание. Обучение. Организация досуга. 37 Volkova S. A. naukaru.ru