00644naa#a2200181#i#450# EN\INFRA-M\bibl\15275 /en/manage/index 20250417060254.4 1998-0728 20170210b2017####ek#y0engy0150####ca RUS RU Analyses of the Features of General Schooling of Russian Younger Schoolchildren in Accordance to the Results of International Research TIMSS-2015 (Mathematics) Journal article Moscow INFRA-M Academic Publishing LLC. 2017 4 с. Journal article local Rydze Oxana Anatol'evna fht.editorum.ru /en/manage/index