| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 23rd International Conference for the Psychology of Mathematics Education |
| Pages | 241-248 |
| Volume | 4 |
| State | Published - 1999 |
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Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 23rd International Conference for the Psychology of Mathematics Education |
| Pages | 241-248 |
| Volume | 4 |
| State | Published - 1999 |