| 000 | 00551nam a2200205Ia 4500 | ||
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| 008 | 008 250505s9999 xx 000 0 eng d | ||
| 022 | _a0021-8251 | ||
| 037 | _aPeriodicals | ||
| 040 |
_aFEDL _beng _cFEDL |
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| 041 |
_aeng _2eng |
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| 084 | _qFEDL | ||
| 245 | 0 | _aJournal for research in mathematics education | |
| 260 |
_aReston, U S _bNational Council of Teacher of Mathematics _c2018 |
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| 300 | _a628p. | ||
| 490 | _vV. 49, No. 1-5 (2018) | ||
| 942 |
_cCR _2ddc _n0 |
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| 999 |
_c1398805 _d1398805 |
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