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| 035 | _aUPN01000068440 | ||
| 100 | 1 | _aPozzi, Stefano | |
| 222 | _aMICROMATH | ||
| 245 | _aComputer algebra systems | ||
| 300 | _a26-27 | ||
| 362 | 0 | _a1993 Vol. 9, no. 1, mar.-june. | |
| 653 | 0 | _aALGEBRA | |
| 653 | 0 | _aENSEÑANZA | |
| 653 | 0 | _aTECNOLOGIA EDUCATIVA | |
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| 905 | _aArticulo | ||
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