| Titel | ISBN-13 (ISBN-10) | Erscheinungsjahr |
|---|---|---|
| How Sales Managers Develop Leadership Competence: A Test and Training Programme for the Further Development of Psychological Leadership Skills | 978-3-92O663-46-3 (3-92O663-46-2) | 1995 |
J. G. · Jürgen Geisler · Jürgen Geissler · Jürgen Giesler · Jürgen Goslar