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| 100 | _aButler Charles H | ||
| 245 | 0 | _aTeaching of secondary mathematics | |
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_aNew York, USA _bMcGraw-Hill Book Company _c1941 |
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| 300 | _axii,514p | ||
| 490 | _aMcGraw-Hill series in education | ||
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_a Wren F Lynwood _9764199 |
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