1
2
Published 2001
3
by Kotler, Philip
Published 2007
4
Published 2000
5
6
Published 2005
7
by Bello, Walden
Published 2002
8
by Srinivasan, T.N, 1933 -
Published 2003
9
by Nederveen Pieterse, Jan
Published 2004
10
Published 2009
11
Published 2001
12