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_aOCR/AS chemistry / _cDave Gent and Rob Ritchie |
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| 650 | _aChemistry - Examinations, questions, etc. | ||
| 700 | _aRitchie, Rob | ||
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_bOCR/Heinemann _c2007 |
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| 520 | _aIncludes CD-ROM | ||
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