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00779nam a2200229 a 4500 |
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20110315174722.0 |
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110315s2001 r 000 0 spa d |
| 040 |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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|a SIDUNA
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0 |
4 |
|a 305.23
|b F863c
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| 100 |
1 |
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|a Freije, Samuel
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1 |
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|a Child labor, school attendance, and poverty in Mexico and Venezuela /
|c Samuel Freije, Luis F. López-Calva.
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|a México :
|b Centro de Estudios Económicos El Colegio de México,
|c 2001.
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|a 57 p ;
|c 28 cm.
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| 490 |
0 |
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|a Documentos de Trabajo
|v No. 1 - 2001
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| 650 |
0 |
4 |
|a NIÑOS TRABAJADORES
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| 650 |
0 |
4 |
|a POBREZA
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| 650 |
0 |
4 |
|a ASISTENCIA ESCOLAR
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| 650 |
0 |
4 |
|a MEXICO
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| 650 |
0 |
4 |
|a VENEZUELA
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| 700 |
1 |
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|a López-Calva, Luis F.
|