| Titel | ISBN-13 (ISBN-10) | Erscheinungsjahr |
|---|---|---|
| A study of Organised Crime from an International Relations perspective: IR Theory and case study | 978-3-8433-7070-7 (3-8433-7070-2) | 2010 |
| Bottlenecks in Freight Forwarding in West Coast Africa: Theory and Case Study | 978-3-8433-8886-3 (3-8433-8886-5) | 2011 |