1
by Esch, Franz-Rudolf
Published 2001
Deutscher Universitätsverlag
Subjects: ...Marketing...

2
Published 2001
Gabler Verlag
Subjects: ...Marketing...

4
by Esch, Franz-Rudolf
Published 1998
Deutscher Universitätsverlag
Subjects: ...Marketing...

5
by Esch, Franz-Rudolf
Published 1990
Physica-Verlag HD
Subjects: ...Marketing...