00584naa#a2200193#i#450# EN\INFRA-M\bibl\15013 20240912232240.4 1998-0744 20161218b2016####ek#y0engy0150####ca RUS RU System of Schoolchildren Giftedness Training: Methodological Aspect and Practice Journal article Moscow INFRA-M Academic Publishing LLC. 2016 16 с. Journal article local Peterson L. Abaturova Valentina Vladimirovna Kubysheva M. naukaru.ru