1
by Becker, Bertha K.
Published 1992
2
by Haggard, Stephan
Published 1995
3
by Mohamed Ariff, K. A, 1940-
Published 1991
4
by Hamilton, Gary G.
Published 2006
5
by Kamal Salih, Datuk, Dr.
Published 1987
6
by Dyster, Barrie, 1940-
Published 1990
7
by Shechter, Relli
Published 2006
8
Published 1996
9
10
by Kotler, Philip
Published 2007
11
by Weaver,Frederick Stirton
Published 2000
12
Published 2001
13
Published 1989
14
Published 2002
15
Published 1998
16
Published 1993
17
18
by Stuart, Robert C.
Published 1995
19
Published 1997
20
Published 2007