By Schofield & Sims, Steve Mills, Hilary Koll
By Lewis, G.
By Mathematics in Action Group
By Bental, L.M.
By Castle, Frank
By Graham, Christine
By Patilla, Peter
By Brodie, Andrew
By Rayner, D.
By Pate, Katherine, Norman, Naomi
By Beadsworth, Tony
By Sean McArdle, McArdle, Sean
By Meyrick, Caroline, Roberts, Judy
By Bostock, L., Chandler, S., Shepherd, A., Smith, E.
By Wheway, David, Thomson, Shelagh
By Broadbent, Paul
By Rodney, Peppe
By Higham, John, Jon
By Koll, Hilary, Mills, Steve
By Jason White
By Muscat, Jean-Paul
By Buchanan, Leslye, Gaulter, Brian
By Greer, A.; Hopkins, B., Alex, Hopkins
By Cowey, Diana, Faulkner, Dave, Wood, Christine, Berry, Catherine, Bryden, Pat, Spencer, John, Thomas, Julian