| Titel | ISBN-13 (ISBN-10) | Erscheinungsjahr |
|---|---|---|
| Sugar beet cultivation in Kenya: An analysis of opportunities and challenges | 978-3-8433-9253-2 (3-8433-9253-6) | 2011 |
| Sugar beet cultivation in Kenya: Assessment of contribution to poverty reduction and rural development | 978-3-8443-2298-9 (3-8443-2298-1) | 2011 |