| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Delivery of Water to Households Far Away from Sources of Safe Water in South Africa: A Situation Analysis | 978-1-920155-93-3 (1-920155-93-7) | 2005 |
| Delivery of Water to Households Far Away from Sources of Safe Water in South Africa: A Situation Analysis | 978-1-920155-95-7 (1-920155-95-3) | 2005 |