for the learning of mathematics |
Greisy Winicki-Landman - Vol. 20 Num. 1 (2000) | ||
On equivalent and non-equivalent definitions: part 1                           | 17-21 | |
Greisy Winicki-Landman - Vol. 20 Num. 2 (2000) | ||
On equivalent and non-equivalent definitions: part 2                           | 24-29 |
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