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| 100 | 1 | _aKyriacou, Chris | |
| 222 | 0 | _aBRITISH EDUCATIONAL RESEARCH JOURNAL | |
| 245 | 0 | 0 | _aActive learning in secondary school mathematics |
| 260 | _aInglaterra | ||
| 300 | _a309-318 | ||
| 362 | 0 | _a1992 Vol. 18, no. 3 | |
| 653 | 0 | _aAPRENDIZAJE EXPERIMENTAL | |
| 653 | 0 | _aMATEMATICAS | |
| 653 | 0 | _aENSEÑANZA | |
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