1
Published 2005
2
3
by Eitzen
Published 2006
4
by Khan
Published 2002
5
Published 1992
6
Published 1996
7
by Simpson
Published 2006
8
by Carlson
Published 1992
9
Published 1994
10
by Vogel
Published 1994
11
by Mahathir Mohamad
Published 1986
12
by Renzetti
Published 2003
13
by Renzetti
Published 1992
14
by Naisbitt
Published 1990
15
Published 2001
16
Published 1996
17
by Jacobs
Published 2006
18
by Zaken
Published 2007
19
Published 2001
20
by Abdul Rahman Embong
Published 2007