Drinking-water and sanitation, 1981-1990 - a way to health : a WHO contribution to the International drinking water supply and sanitation decade
- Författare
- World health organization
- Språk
- Engelska
![](https://images.amazon.com/images/P/9241560681.01.MZZZZZZZ.jpg)
Förlag | År | Ort | Om boken | ISBN |
---|---|---|---|---|
The Inst. | 1981 | Schweiz, Geneva | 56 sidor. | 92-4-156068-1 |