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035 | _aUPN01000085851 | ||
100 | _aHiebert, James | ||
222 | _aJOURNAL FOR RESEARCH IN MATHEMATICS EDUCATION | ||
245 | _aLinks between teaching and learning place value with understanding in first grade | ||
300 | _a98-122 | ||
362 | _a1992 23, no. 2 | ||
653 | 0 | _aADICION | |
653 | 0 | _aENSE\197ANZA MATEMATICA | |
653 | 0 | _aMATERIALES MANIPULABLES | |
653 | 0 | _aMETODOS DE ENSE\197ANZA | |
653 | 0 | _aPLACE VALUE | |
653 | 0 | _aRESTA | |
700 | _aWearne, Diana | ||
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