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OCR 21st Century Biology a
Eliot Attridge
Paperback (Letts Educational, Sept. 1, 2011)This workbook can be used at home or in the classroom to provide excellent preparation for tests and exams. It includes GCSE-style questions for every topic on the OCR 21st century GCSE biology specification and clearly differentiates higher tier questions.
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OCR Twenty First Century GCSE Biology Essentials
E. Attridge
Paperback (Lonsdale Revision Guides, Aug. 1, 2008)None
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OCR 21st Century Biology A: Exam Practice Workbook
Eliot Attridge
Paperback (Letts (16 Sept. 2011), March 24, 1600)None