By Frances McBroom Thompson (Texas Women's University)
By Eyre Deborah, Lynne McClure
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By Jeremy Kilpatrick, Jane Swafford, Bradford Findell, Mathematics Learning Study Committee, National Research Council
By June Lowenstein
By Stephen I. Brown, Marion I. Walter
By John Davis, Margaret Gronow, Mick Davies
By Angela Wilson, Julie Scanlon (Manchester Metropolitan University, UK)
By Michael Priestley
By Linda Beech
By Linda Beech, Scholastic
By Roy Blatchford
By Forte, Imogene, Pangle, Mary Ann, Drayton, Marta
By Collins GCSE
By Sally Gray, Cathy Hughes
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By Joan Nield, Lesley Fletcher, Garry Davies
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By Sally Morgan, Collins Big Cat
By Jim Eldridge, Monica Auriemma, Collins Big Cat
By John Dougherty, Collins Big Cat
By Geraldine McCaughrean, Richard Brassey
By Jo Glover, Ms Susan Young (Centre for Research in Early Childhood, UK.), Susan Young
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By Sarah Hennessy
By Tricia David, Audrey Curtis, Iram Siraj-Blatchford
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