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20250313100533.0 |
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240731s2000 dcu gr ||||||eng d |
| 040 |
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|a Sistema de Bibliotecas de Universidad de Costa Rica
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| 100 |
1 |
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|a Wang, Hua
|e Autor/a
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| 245 |
1 |
0 |
|a Willingness to pay for air quality improvements in Sofia, Bulgaria /
|c Hua Wang, Dale Whittington.
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| 260 |
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|a Washington, DC :
|b The World Bank, Development Research Group, Infrastructure and Environment,
|c 2000.
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| 300 |
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|a 27 páginas :.
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| 490 |
0 |
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|a Policy research working paper
|v 2280
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| 700 |
1 |
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|a Whittington, Dale
|e Autor/a
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| 949 |
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|a -AEM
|