| 000 | a | ||
|---|---|---|---|
| 001 | 10752 | ||
| 011 | _a1863-9690 | ||
| 090 | _a10752 | ||
| 099 | _tSER | ||
| 100 | _a20191118 frey50 | ||
| 101 | _aeng | ||
| 102 | _aXD | ||
| 200 |
_aZDM Mathematics Education _e21st century skills and STEM teaching and learning _fEditor in chief : Gabriele Kaiser _g |
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| 207 | _aVolum 51 Issue 5 - October 2019 | ||
| 210 |
_aHeidelberg _cCassini _d2019 |
||
| 215 |
_ap.869-1016 _d27cm. |
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