Sanitation and water supply practical lessons from the decade
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Washington, D.C.
The International Bank for Reconstruction and Development/The World Bank
1992.
|
| Saila: | Water and sanitation discussion paper series
DP no. 9 |
| Gaiak: |