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|a 000167205
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| 040 |
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|a AR-BaBNM
|b spa
|e aacr
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| 110 |
1 |
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|a UNESCO
|b BIE
|
| 245 |
1 |
3 |
|a La déperdition scolaire un probléme mondial
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| 260 |
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|a [S.l.] :
|b [s.n.],
|c 1971.
|
| 300 |
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|a 1 v.
|
| 490 |
0 |
|
|a Etudes et enquêtes d'éducation comparée
|
| 650 |
|
4 |
|a Deserción estudiantil
|9 10660
|
| 650 |
|
4 |
|a Problemas educativos
|9 9574
|
| 650 |
|
4 |
|a Educación
|9 7568
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| 942 |
|
|
|2 udc
|c LIBRO
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| 999 |
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|c 158376
|d 158376
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| 080 |
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|a 37.018.765
|