| Guershon Harel - Vol. 7 Num. 3 (1987) | ||
| Variations in linear algebra content presentations | 29-32 | |
| Guershon Harel - Vol. 11 Num. 1 (1991) | ||
| The general, the abstract, and the generic in advanced mathematics | 38-42 | |
| Guershon Harel - Vol. 28 Num. 3 (2008) | ||
| Communication: Maintaining the mathematical integrity of school curricula: a challenge | 10 | |
for the learning of mathematics
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