By Unknown
By Har, Dr. Yeap Ban, Yee, Dr. Foong Pui, Pearlyn, Lim Li Gek, Hua, Wong Oon, Hermanson, Dr. Anne
By Pearce, Stephen
By John B. Channon, etc., A. McLeish Smith, H.C. Head, Channon, John B., McLeish Smith, A., Head, H.C.
By Harper, Eon, Blackett, Norman, Kuchemann, Dietmar, McLeay, Heather, Mahoney, Michael, Marshall, Sally, Martin, Edward, Reed, Peter, Russell, Sheila, et al
By Rayner, David
By Wharton, Sandra
By Plumpton, Charles, Staley, G.M., Kenwood, H.M.
By Knapp, Brian, Bass, Colin G., Debon, Nicolas
By School Mathematics Project
By Cambridge University Press, School Mathematics Project
By Baines, Andrew, Bond, J. M.
By John Hegarty
By Andrew Brodie
By Vorderman, Carol
By Slater, J.D.
By Drinkwater, John
By Richard Cooper, Shirley Armer, Cooper, Richard, Armer, Shirley, Riley, Mark Burville
By Broadbent, Paul
By Bill Domoney, Paul Harrison, Liz Ransford, Christine Symonds, Domoney, Bill, Harrison, Paul, Ransford, Liz, Symonds, Christine