1
by Boone, Louis E.
Published 1998
2
3
Published 1994
4
by Baker, Michael J.
Published 1996
5
by Jain, Subhash C.
Published 2000
6
by Moutinho, Luiz
Published 1995
7
8
by Kotler, Philip
Published 2003
9
10
by Rix, Peter
Published 2001