International Standard Book Number (ISBN) search > Denmark > Time Manager International
| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1983 | 978-87-88036-00-8 | Constance Bernstein and others | Time Manager |
| 1988 | 978-87-88036-73-2 | Claus Moller | Personal Quality: The Basis of All Other Quality |
|  '' | 978-87-88036-97-8 | Persönliche Qualität - Die Voraussetzung für jede andere Qualität | |