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| 035 | _aUPN01000101037 | ||
| 100 | 1 | _aSfard, Anna | |
| 222 | _aJOURNAL FOR RESEARCH IN MATHEMATICS EDUCATION | ||
| 245 | _aSteering (dis) course between metaphors and rigor : using focal analysis to investigate an emergence of mathematical objects | ||
| 300 | _a296-327 | ||
| 362 | 0 | _a2000 Vol. 31, no. 3 | |
| 653 | 0 | _aAPRENDIZAJE | |
| 653 | 0 | _aCOMPUTADORA | |
| 653 | 0 | _aCOMUNICACION | |
| 653 | 0 | _aCONOCIMIENTO | |
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| 905 | _aArticulo | ||
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