Guide to practical project appraisal social benefit-cost analysis in developing countries
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Vienna
United Nations Industrial Development Organization
1986.
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| Cyfres: | Project formulation and evaluation series no.3
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| Pynciau: |