Discover
Directors
Writers
Cast
| Name | Character |
|---|
| Lister Sinclair | Narrator |
Producers
| Name | Role |
|---|
| Barrie Howells | Producer |
| George Pearson | Producer |
Water Supply and Sanitation in Development, Film 2: Problems and Solutions
35
| Name | Character |
|---|
| Lister Sinclair | Narrator |
| Name | Role |
|---|
| Barrie Howells | Producer |
| George Pearson | Producer |
