editor of
-
proceedings
- Proceedings of the 22nd annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education 2000
- Proceedings of the 22nd annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education 2000
- Proceedings of the 22nd annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education 2000
- Proceedings of the 22nd annual meeting of the North American Chapter of the International Group for the Psychology of Mathematics Education 2000