The use of willingness to pay experiments estimating demand for piped water connections in Sri Lanka
| Övriga upphovsmän: | |
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| Materialtyp: | Bok |
| Språk: | English |
| Publicerad: |
Washington, D.C.
World Bank
2006.
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| Serie: | Policy research working paper
no.3818 |
| Ämnen: |