| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Liquid Assets: Demographics, Water Management, and Freshwater Resources | 978-0-8330-3296-6 (0-8330-3296-8) | 2005 |
| Woodfuel Markets in Developing Countries: A Case Study of Tanzania: A Case Study of Tanzania | 978-1-138-71368-0 (1-138-71368-6) | 2017 |