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| 035 | _aUPN01000083433 | ||
| 100 | 1 | _aSteffe, Leslie P | |
| 222 | _aJOURNAL RESEARCH MATHEMATICS EDUCACION | ||
| 245 | _aInteraction or intersubjetivity ? : a reply to Lerman | ||
| 300 | _a191-209 | ||
| 362 | 0 | _a2000 Vol. 31, no. 2 | |
| 653 | 0 | _aCONSTRUCTIVISMO | |
| 653 | 0 | _aEDUCACION MATEMATICA | |
| 653 | 0 | _aVYGOTSKI, LEV SEMIONOVIDH, 1896-1934 | |
| 700 | 1 | _aThompson, Patrick W., | |
| 700 | 1 | _ecoaut. | |
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| 905 | _aArticulo | ||
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