| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Project Business Management | 978-1-138-19750-3 (1-138-19750-5) | 2018 |
| Situational Project Management: The Dynamics of Success and Failure | 978-1-4987-2261-2 (1-4987-2261-X) | 2016 |
F Lehmann · O.F. · O. Lehmann · Oliver L. · Oliver Lehmann