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| 245 | 0 | 0 | _aJOURNAL FOR RESEARCH IN MATHEMATICS EDUCATION |
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_aEUA : _bNational Council of Teachers of Mathematics, _c1970 |
||
| 310 | _aCinco veces al año | ||
| 653 | 0 | _aEDUCACION FORMAL | |
| 653 | 0 | _aMATEMATICAS | |
| 653 | 0 | _aMETODOS DE ENSEÑANZA | |
| 653 | 0 | _aEDUCACION MATEMATICA | |
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| 905 | _aRevista | ||
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