By Susan Garnett, Debbie Clark
By Garnett, Susan, Clark, Debbie
By McDuell, G.R., Booth, Graham, G.R. McDuell, Graham Booth
By Coles, Martin
By Newton, Derek, Smith, David
By Smith, Prof. Alan
By Fitzgerald, Bernadette, etc., Hiatt, Karina, Hilyer, Joyce
By Barbara Benson, Charles Cuff, Pauline Elkin
By Scottish Mathematics Group
By Greer, Alex
By Mathematics in Action Group
By David Calcutt
By Baker, David, Hogan, Paul, Job, Barbara, Verity, Renie
By Robert a Bowie
By Body, Wendy, Weir, Doffy
By Hunter, Jim
By Russell, Andy
By Orme, David
By Barrow, Skidmore
By unknown author
By Adams, Grace A.
By Whelan, Katie
By Greaves, Helen, Greaves, Simon, Loadman, Anne
By Various