By Ainley, Janet, Bills, Liz, Wilson, Kirsty
By N/A
By Cwirko-Godycki, Jerzy, Association of Teachers of Mathematics
By Murray, Jenny
By Cromwell, Peter
By Perring, Richard
By Val Aspin, etc.
By Bills, Chris, Liz, Watson, Anne, Mason, John
By ATM Working Group
By Paul Andrews
By David Fielker
By Geoff Giles
By Mary Brading, Michelle Selinger, Ray Godfrey
By Association of Teachers of Mathematics
By Unidentified Author, Anne Watson, John Mason
By Love, Eric, McIntosh, A.
By Mary Boole
By Hargreaves, Meryl, Hughes, Yvonne