1
by Busse von Colbe, Walther, Hammann, Peter, Laßmann, Gert
Published 1990
Springer Berlin Heidelberg
Subjects: ...Marketing...

2
by Busse von Colbe, Walter, Hammann, Peter, Laßmann, Gert
Published 1992
Springer Berlin Heidelberg
Subjects: ...Marketing...

3
Published 2004
Deutscher Universitätsverlag
Subjects: ...Marketing...