By Julia Donaldson, Clare Kirtley
By SPMG, Scottish Primary Maths Group
By Gavin Spickett
By P. Naidoo
By Krentz, Andrew J, Andrew J Krentz
By Haselhurst, Maureen
By Louise Bomber
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By Aveyard, Helen
By Amery, Heather, Stephen Cartwright
By Robert J. McMahon, PhD, Rex L. Forehand
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By Donaldson, Julia, Kirtley, Clare
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By Rollinson, Dr Derek, Broadfield, Aysen, Edwards, David
By Carole Sharman (UK), Wendy Cross (Godalming College, UK), Diana Vennis (UK)
By Wendell Odom
By Odom, Wendell
By J. L. Armstrong
By Carole Sutton
By Sue Kay, Vaughan Jones
By Clive Bell, Lawrence Briggs
By Mary Bowen, Printha J Ellis
By Kerr, Philip, Jones, Ceri, Kay, Sue, Vaughan