| Water Supply and Sanitation in Development: People and Problems |
1985 |
National Film Board of Canada |
0:28:00 |
16mm |
Color |
sound |
| Water Supply and Sanitation in Development: Problems and Solutions |
1985 |
National Film Board of Canada |
42 |
16mm |
Color |
|
| Water Supply and Sanitation in Development: Solutions and People |
1985 |
National Film Board of Canada |
26 |
16mm |
Color |
sound |