| 000 | a | ||
|---|---|---|---|
| 001 | 10622 | ||
| 011 | _a1863-9690 | ||
| 090 | _a10622 | ||
| 099 | _tSER | ||
| 100 | _a20190521 frey50 | ||
| 101 | _aeng | ||
| 102 | _aXD | ||
| 200 |
_aZDM Mathematics Education _eMaterial ecologies of teaching and learning _fEditor in chief : Gabriele Kaiser _gGuest Editors: Elisabeth De Freitas, Nathalie Sinclair & Lulu Healy |
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| 207 | _aVolum 51 Issue 2 -- May 2019 | ||
| 210 |
_aHeidelberg _cSpringer _d2019 |
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| 215 |
_ap.227-360 _d27cm. |
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