By Martins, Jo M., Yusuf, Farhat, Swanson, David A.
By Milewski, Nadja
By Cnaan, Ram A., Milofsky, Carl
By Murphy, Patrick E.
By Maier, Heiner, Gampe, Jutta, Jeune, Bernard, Vaupel, James W., Robine, Jean-Marie
By Sandoz, Laure
By Zikmund, William G.
By Steiner, Ilka, Wanner, Philippe
By Maree, Kobus
By John Maynard Keynes
By Bengtsson, Tommy
By Gutmann, Myron P, Deane, Glenn D, Merchant, Emily R, Sylvester, Kenneth M
By Petrigh, Matthieu
By Sumner, L. W.
By Radcliff, Benjamin
By Habermas, Jurgen, McCarthy, T.
By Irwin, Robert, Wolenik, Rita
By Berman Fortgang, Laura
By Bentley, Carol A. E
By Morgan, Gareth
By Carnegie, Dale, etc.
By Sadgrove, Kit
By Morris, Roz
By Michael Potton
By McCormack, Mark H.
By Singer, Edwin J., Graham, Richard
By Steiner, Bob
By Clair, Kassia St
By Pritchard, Michael S., Englehardt, Elaine E.