1
by ALDRICH
Published 1999
2
3
by DOOLE
Published 1999
4
by STEWART
Published 1996
5
7
by MARCHANT
Published 1996
8
by TIMMERMAN
Published 2000
9
by SHAW
Published 1998
10
Published 2001
11
by COOPER
Published 2002
12
by ABDUL Murad Ahmad
Published 2001
13
by ETTENBERG
Published 2002
14
by RIES
Published 2003
15
by KOTLER
Published 2003
16
by BLAIR
Published 2003
17
by BREMNER
Published 2002
18
by Cone
Published 2008
19
by Murray
Published 2006
20
by Kotler
Published 2009