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| 037 | _aTextual | ||
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_a514, DRO _qFEDL |
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_aDrooyan Irving _9503870 |
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| 245 | 0 | _aTeacher's manual for trigonometry : An analytic approach | |
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_aNew York, USA _bThe Macmillan Company _c1967 |
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| 300 | _a56p. | ||
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_cTEXL _h514, DRO |
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