Technology for water supply and sanitation in developing countries report of a WHO Study Group.
| Müşterek Yazar: | |
|---|---|
| Materyal Türü: | Kitap |
| Dil: | English |
| Baskı/Yayın Bilgisi: |
Geneva
World Health Organization
1987.
|
| Seri Bilgileri: | Technical report series (World Health Organization)
742. |
| Konular: |


