By Slomson, A., Alan
By Curwin, Jon, Slater, Roger
By Lee, John D.
By Brown, Terry A.
By Everitt, Brian S.
By Rees, D.G.
By Jankowicz, A. D.
By Yates, Paul
By Brown, T. A.
By Chartrand, Gary, Lesniak, Linda, Zhang, Ping
By Rosser, Mike
By Neave, Henry R.
By Dickenson, John P., etc.
By Bryman, Prof. Alan, Cramer, Duncan
By Pickering, K.T., Owen, Lewis A.
By Jeffries, Michael J.
By Smithson, Peter, Addison, Ken, Atkinson, Ken
By Turner, Phil, McLennan, Alexander, Bates, Andy, White, Michael
By Hames, David, Hooper, Nigel
By Browne, Michael
By Royston, Angela
By Hanaver, Ethel R.
By Hess, Fred C.
By Ira M. Freeman
By Hayslett, H.T., Murphy, Patrick
By Patilla, MR Peter
By Scottish Secondary Mathematics Group, .
By Sanaghan, Tom, Pennel, John, Munro, Carol, Ford, Carole, Dalton, John, Walker, Elaine
By Sanaghan, Tom
By Buxton, Laurie, Buxton, Laurie