| Original language | English |
|---|---|
| Pages (from-to) | 217-224 |
| Number of pages | 8 |
| Journal | Proceedings of the 33rd Annual Conference of the International Group for Psychology in Mathematics Education |
| Publication status | Published - 2009 |
| Event | 33rd Annual Conference of the International Group for Psychology in Mathematics Education - Thessaloniki, Greece Duration: 19 Jul 2009 → 24 Jul 2009 |
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