1
by Berndt, Ralph
Published 1990
Springer Berlin Heidelberg
Subjects: ...Marketing...

2
by Berndt, Ralph
Published 1991
Springer Berlin Heidelberg
Subjects: ...Marketing...

3
by Berndt, Ralph, Fantapié Altobelli, Claudia, Sander, Matthias
Published 1999
Springer Berlin Heidelberg
Subjects: ...Marketing...

4
Published 1997
Springer Berlin Heidelberg
Subjects: ...Marketing...