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| 037 | _aReference | ||
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_aFEDL _beng _cFEDL |
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_aeng _2eng |
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| 084 |
_a510.7, BUT _qFEDL |
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| 100 | _aButler Charles H | ||
| 245 | 0 | _aTeaching of secondary mathematics | |
| 250 | _a4th | ||
| 260 |
_aNew York, USA _bMcGraw-Hill Book Company _c1960 |
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| 300 | _a612p. | ||
| 700 |
_a Wren F Lynwood _9765360 |
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| 942 |
_cREF _h510.7, BUT |
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