000 00691nam a2200229 a 4500
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035 _aUPN01000105287
100 _aBall, Deborah Leowenberg
222 0 _aTHE ELEMENTARY SCHOOL JOURNAL
245 0 _aWith an eye on the mathematical horizon : dilemmas of teaching elementary school methematics
300 _a374-397
362 _a93, No. 4, 1993
505 _aAgosto 1993
653 0 _aEDUCACION MATEMATICA
653 0 _aENSE\197ANZA MATEMATICA
653 0 _aESTUDIANTES DE LA ESCUELA ELEMENTAL
653 0 _aGRADO 4
653 0 _aMETODOS DE ENSEƑANZA
904 _aAC
_b043098
905 _aArticulo
999 _c79398
_d79398