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_aScience and mathematics education in the United States ; eight innovations : _bproceedings of a conference. |
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_aParís [Francia] : _bOrganisation for Economic Co-operation and Development, _c1993 |
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| 300 | _a229 p. | ||
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_aCIENCIA _xESTUDIO Y ENSEÑANZA _xE.U.A. |
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_aMATEMATICAS _xESTUDIO Y ENSEÑANZA _xE.U.A. |
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_c77071 _d77071 |
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