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| 008 | 991125n 000 0 u | ||
| 035 | _aUPN01000101712 | ||
| 100 | _aHOWSON, Geoffrey | ||
| 222 |
_aMT : _bMATHEMATICS TEACHING |
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| 245 | _aTeachers of mathematics | ||
| 300 | _a28-31 | ||
| 362 | _a1993 No. 142, mar. | ||
| 653 | 0 | _aENSEÑANZA | |
| 653 | 0 | _aMAESTROS | |
| 653 | 0 | _aMATEMATICAS | |
| 904 |
_aAC _b039523 |
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| 905 | _aArticulo | ||
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