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| 008 | 140529s1991 xxu||||| |||| 00| 0 eng d | ||
| 041 | _aeng | ||
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_aSchmittau, Jean _9139676 |
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_aMathematics Education in the 1990s _c Jean Schmittau |
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_aMatemáticas _914595 |
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_tEducational Theory _gvol. 41, nº. 2, 1991, págs. 121-134 _wRev1399 |
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_c512866 _d512866 |
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