By The Open University
By Jackson, B.H.
By Millar, Robin
By Dendy, P. P.
By Test Development Research Unit
By M.A. Edward L. Hanson, Edward L. Hanson, M.A.
By Cooke, Andy, Martin, Jean
By Ferris, Timothy, Fadiman, Clifton
By Synge, John L., Griffith, B.A.
By Jean A. Pope, Pope, Jean A.
By Michael Shepherd, Shepherd, Michael
By Hecht, Eugene
By Abbott, A.F., Nelkon, Michael
By Deloughry, Mr Will, Fullick, Ann, Mr Patrick, Hiscock, Mr Mike, Jones, MR Peter, Naylor, Mr Phil, Stirrup, Mr Martin
By Leonard, Elmore
By Open University, NULL NULL
By Duncan, Tom, Tom Duncan
By James Driver, Driver, James
By Riley, Peter
By Mike Folland, Folland, Mike
By Kelly Milner Halls
By Berkeley Physics Course, N/A