Valuing the environment proceedings of the First Annual International Conference on Environmentally Sustainable Development held at the World Bank, Washington, D.C., September 30-October 1, 1993
| Awdur Corfforaethol: | |
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| Awduron Eraill: | , |
| Fformat: | Llyfr |
| Iaith: | Saesneg |
| Cyhoeddwyd: |
Washington, D.C.
World Bank
1994.
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| Cyfres: | Environmentally Sustainable Development proceedings series
no.2 |
| Pynciau: |