1
by Kotler, Philip
Published 2000
2
by Backman, Michael
Published 2001
3
by Beamish, Paul W.
Published 2000
4
Published 2002
5
Published 2005
6
by Kulwant Singh
Published 2005
7
8
by Kulwant Singh
Published 2010
9
10
11
by Backman, Michael
Published 2006