| 000 | 00411 a2200145 4500 | ||
|---|---|---|---|
| 001 | 7939 | ||
| 011 | _a0228-0671 | ||
| 090 | _a7939 | ||
| 100 | _a20170516 frey50 | ||
| 101 | _aeng | ||
| 102 | _aCA | ||
| 200 |
_aFor the Learning of Mathematics _eAn International Journal of Mathematics Education _fEdited by David Wheeler |
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| 207 | _aVol. 8 Num 3. | ||
| 210 |
_aMontreal _cFLM Publishing Association |
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| 215 | _d28 cm. | ||
| 099 | _tACT | ||