00696naa#a2200193#i#4500001002200000003001700022005001700039011001400056100004100070101000800111102000700119200011600126210005100242215001000293608002700303675011300330700002000443856003900463EN\INFRA-M\bibl\15699/en/manage/index20250404202551.5##a2306-1731##a20170328b2017####ek#y0engy0150####ca0#aRUS##aRU1#aThe Core of the Activity Concept of Extend Didactic Unit (EDU) Technology in Teaching GeometryeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2017##a5 с.##aJournal article2local##aОбразование. Воспитание. Обучение. Организация досуга. 37zRUS#1aUlyanovagI. V.4#atest.editorum.ruu/en/manage/index