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230330s1992 dcua gr ||||||eng d |
| 040 |
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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| 100 |
1 |
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|a Psacharopoulos, George
|e Autor/a
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| 245 |
1 |
0 |
|a Achievement evaluation of Colombia's Escuela Nueva :
|b is multigrade the answer? /
|c George Psacharopoulos, Carlos Rojas and Eduardo Velez.
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| 260 |
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|a Washington, DC :
|b The World Bank,
|c 1992.
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| 300 |
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|a 21 páginas :
|b 2 ilustraciones en blanco y negro.
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| 490 |
0 |
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|a Working papers
|v WPS 896
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| 949 |
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|a -AEM
|