for the learning of mathematics |
William C. Higginson - Vol. 20 Num. 3 (2000) | ||
The 9th International Congress on Mathematical Education, August 2000                           | 34-37 | |
William C. Higginson - Vol. 21 Num. 2 (2001) | ||
An extraordinary elsewhereman                           | 14-15 |
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