1
Published 2001
2
Published 2003
3
4
Published 1992
5
Published 2004
6
by Masson, Paul R.
Published 1990
7
Published 1991
8
Published 1992
9
Published 1993
10
by Naisbitt, John
Published 1996
11
Published 1992
12
by Figgie, Harry E.
Published 1993
13
Published 2005
14
15
Published 1998
16
Published 2002
17
Published 1997
18
Published 1996
19
Published 1993
20
by Navaratnam, Ramon V.
Published 1997