1
by McTaggart, Douglas.
Published 1996
2
by Boone, Louis E.
Published 1998
3
by Bonarens, Leo
Published 1997
4
5
Published 1993
6
Published 1994
7
8
9
10
11
12
13
by Jobber, David,
Published 2004
14
by Baker, Michael J.
Published 1996
15
by Jain, Subhash C.
Published 2000
16
by Moutinho, Luiz
Published 1995
17
18
19
by Kotler, Philip
Published 2003
20
by Cravens, David W.
Published 2003