| J. Helen Gardner - Vol. 11 Num. 2 (1991) | ||
| How fast does the wind travel?: history in the primary mathematics classroom | 17-20 | |
for the learning of mathematics
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| J. Helen Gardner - Vol. 11 Num. 2 (1991) | ||
| How fast does the wind travel?: history in the primary mathematics classroom | 17-20 | |