1
by Parker, William C.
Published 1979
2
3
Published 2002
4
Published 2004
5
by Naisbitt, John
Published 1999
6
by Pi, Chung Ron
Published 1996
7
8
by Agathangelou, Anna M.
Published 2009
9
by Dyson, Tim.
Published 2010
10
by Anholt, Simon
Published 2003
11
12
by Lieshout, Robert H.
Published 1995
13
Published 1988
14
Published 2000
15
Published 2004
16
17
Published 1996
18
by Simpson, David, 1936-
Published 1987
19
by Carley, Michael
Published 1984
20
by Shaw, Martin
Published 1994