By Kieran Egan
By Angella Cooze, Mary Myatt
By Joanna Glover
By Alison Daubney
By Celia Warren
By Linda Evans, etc.
By Jo Nelson, Rupert Van Wyk, Collins Big Cat
By Collins Dictionaries
By Val Brooks
By Terry Ellis, etc.
By John Arkell, Jonny Martin
By Andrew Brodie, Judy Richardson
By Neil Selwyn
By Grainne Conole, Martin Oliver (Institute of Education, university college london, UK)
By Richard E. Mayer (University of California, Santa Barbara)
By Martin Weller (Professor of Educational Technology, The Open University)
By Jenny Mosley
By Hilary Koll, Steve Mills
By Collins GCSE
By Sue Nicholls, NITA SOWTER, Collins Music
By Jackman, John, Wren, Wendy
By Pamela Burnard (University of Cambridge, UK.), Regina Murphy
By Naylor, Stuart, Keogh, Brenda, Goldworthy, Anne, Goldsworthy, Stuart Naylor, Brenda Keogh, Anne Goldworthy
By Kate Jacques, Rob Hyland
By Jonathan Glazzard, Jane Stokoe, Alison Hughes, Annette Netherwood, Lesley Neve
By Tony Eaude (University of Oxford, UK)