00504naa#a2200169#i#4500001002000000005001700020011001400037100004100051101000800092102000700100200009500107210005100202215001000253608002700263700002900290856001500319EN\INFRA-M\bibl\80220240810165342.6##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#anaukaru.ru