1
by Gilbert, Dennis A.
Published 1988
2
by Naisbitt, John
Published 1990
3
by Bok, Derek Curtis
Published 1996
4
by Lederman, Jim
Published 1993
5
by Neuzil, Mark
Published 1996
6
by Cohen, Steven M.
Published 1983
7
by Friedman, Jean E.
Published 1987
8
Published 1992