00557naa#a2200181#i#4500001002000000003001700020005001700037011001400054100004100068101000800109102000700117200009500124210005100219215001000270608002700280700002900307856003900336EN\INFRA-M\bibl\802/en/manage/index20241119134005.2##a1998-0728##a20131121b2013####ek#y0engy0150####ca0#aRUS##aRU1#aLocal history component in teaching mathematics to primary schoolchildreneJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2013##a4 с.##aJournal article2local#1aChiranovagOlga Ivanovna4#atest.editorum.ruu/en/manage/index