| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Water Resources Management: The Case of the Pangani River Basin | 978-9976-60-356-9 (9976-60-356-8) | 2002 |
| Water Resources Management: The Case of the Pangani River Basin Issues and Approaches | 978-9976-60-373-6 (9976-60-373-8) | 2002 |