The use of willingness to pay experiments estimating demand for piped water connections in Sri Lanka
| Beste egile batzuk: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Washington, D.C.
World Bank
2006.
|
| Saila: | Policy research working paper
no.3818 |
| Gaiak: |