By R. A. Houston
By Cottia Howard, Penny Liddiard
By Cottia Howard, Penny Liddiard, Howard, Cottia, Liddiard, Penny
By Rene Descartes
By Barber, Malcolm
By Meredith Hooper, Hooper, Meredith
By School Mathematics Project
By Tony Bradman, Bradman, Tony
By Angi Malderez
By John Hawkins
By Andrew R. Liddle
By amos-oz
By Peter Clarke
By Virginia Berridge
By John Webster, Webster, John
By Joanne Collie, Alex Martin
By University of Cambridge Local Examinations Syndicate
By Mavis E. Mate
By Milner, Bryan, Martin, Jean, Evans, Peter
By Robert J. Sternberg, Sternberg, Robert J.
By Sue Warn, Cameron Dunn, Sparke, Linda S., Gallagher III, John S.
By Annie Broadhead
By cambridge-university-press