1
2
by Webber, Mark
Published 1996
3
by Kotler, Philip
Published 2007
4
Published 1998
5
by Mikheyev, Dmitry
Published 1996
6
Published 1996
7
Published 1998
8
by Brugger, Bill
Published 1994
9
Published 2000
10
Published 1994
11
Published 2003
12
Published 2000
13
14
Published 1996
15
Published 2013
16
Published 2003
17
by Premdas, Ralph R.
Published 1995
18
by Hughes, Caroline
Published 2003
19
by Zhang, Yumei, 1964 -
Published 2003
20
Published 2003