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240702s2005 dcud gr ||||||eng d |
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|a Sistema de Bibliotecas de Universidad de Costa Rica
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| 100 |
1 |
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|a McKenzie, David J
|e Autor/a
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| 245 |
1 |
0 |
|a Paper walls are easier to tear down :
|b passport costs and legal barriers to emigration /
|c David J. McKenzie.
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| 260 |
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|a Washington, DC :
|b The World Bank, Development Research Group, Growth and Investment Team,
|c 2005.
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| 300 |
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|a 23 páginas :
|b gráficos en blanco y negro.
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| 490 |
0 |
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|a Policy research working paper
|v 3783
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| 949 |
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|a -AEM
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