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| 037 | _cTextual | ||
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| 082 | _aT2:3(B), K0 | ||
| 100 | _aButler Charles H. | ||
| 245 | 0 | _aTeaching of secondary mathematics | |
| 260 |
_aNew York _bMcGraw Hill Book Company USA _c1960 |
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| 650 | _aEDUCATION | ||
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