By University of Cambridge Local Examinations Syndicate
By School Mathematics Project
By Gibbs, Keith
By Fowler, C. M. R.
By Lockett, Keith, Keith Lockett
By Raitt, Gordon
By Green, Michael
By Kittel, Charles
By Cutnell, JD
By Eisberg, Robert
By Eisberg, Rm
By Flowers, BH
By Flowers, Flowers, Flowers Flowers
By Rudden, M. N., Wilson, J.
By Grant, IS
By Kirkup, Les
By Boas, Mary L.
By Siegfried, Tom
By Adler, Robert E.
By Vincent, Alan
By Roberts, Royston M.
By Lambourne, Robert
By Fox, Robert W., McDonald, Alan T.
By Smith, F. Graham, Thomson, J. H.
By Smith, Rc
By Halliday, David, Resnick, Robert, Walker, Jearl
By Griffiths, David
By MANDL, F