| عن المؤلف | Chris Sunley is an education adviser working for a number of different academies, academy chains and overseas schools. He is an ex-Head of Science, Local Authority Science Adviser, Science HMI and Chief Examiner for GCSE Science. He is a co-author of a range of successful primary, GCSE and IGCSE Science and Chemistry textbooks for HarperCollins._x000D_ Mike Smith is Head of Science at St. Anselm's College, Birkenhead, and is a Chief Examiner for GCSE Biology. He has co-authored seven successful textbooks for HarperCollins, covering GCSE and International GCSE Science and Biology. |
استرجاع مجاني وسهل
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