for the learning of mathematics |
| Marja Van Den Heuvel-Panhuizen - Vol. 15 Num. 3 (1995) | ||
| Student-generated problems: Easy and difficult problems on percentage | 21-27 | |
| Marja Van Den Heuvel-Panhuizen - Vol. 25 Num. 2 (2005) | ||
| The role of contexts in assessment problems in mathematics | 2-9 | |
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