1
by Collin
Published 1994
2
by JOHNSON
Published 1998
3
by SEATON
Published 1996
4
by WEAVER
Published 2000
5
Published 1998
6
7
by HARRIS
Published 1996
8
by Kotler, Philip
Published 1999
9
by HOWELL
Published 1999
10
by Moutinho
Published 1996
11
by Kotler, Philip
Published 1996
12
by HALL
Published 1997
13
by Holloway
Published 1995
14
by FRENCH
Published 1995
15
by OWEN
Published 1998
16
by MORRISON
Published 1996
17
by ROGERS
Published 1993
18
by BRIGGS
Published 1997
19
20
by HOLLEMAN
Published 1996