By Buckwell, Geoff D, Solomon, Robert C
By Solomon, Robert C, Buckwell, Geoff D
By J, Suffolk
By Watson, Anne, Houssart, Jenny, ROAF, Caroline
By Morrison, Karen, Smith, Julia, McLean, Pauline, Horsman, Rachael, Asker, Nick
By School Mathematics Project
By Taylor, Richard
By Summerson, Rob, Johnson, Trevor, Clough, Tony
By Parsons, Richard
By Rayner, David
By Ron Taylor, Adrian Oldknow
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By McGuire, Peter, Smith, Ken
By CGP Books
By Collins GCSE
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By Speed, Brian, Ball, Helen, Bird, David
By Plass, Clare
By McDougal Littel