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Geoffrey Hallas
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AQA A Level Chemistry Year 1 & AS Paper 1: Inorganic chemistry and relevant physical chemistry topics (Collins Student Support Materials)
By Colin Chambers, Stephen Whittleton, Geoffrey Hallas, Andrew Maczek, David Nicholls
AQA A Level Chemistry Year 1 & AS Paper 2: Organic chemistry and relevant physical chemistry topics (Collins Student Support Materials)
By Colin Chambers, Stephen Whittleton, Geoffrey Hallas, Andrew Maczek, David Nicholls
