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20251009112312.0 |
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199606s1977 xxu|||||||||||||||||spa|d |
| 035 |
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|a 000181813
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| 040 |
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|a AR-BaBNM
|b spa
|e aacr
|
| 080 |
|
|
|a 372.3
|
| 110 |
1 |
|
|a U
|b S
|b Department of Health, Education and Welfare
|b Office of Human Development Services
|
| 245 |
1 |
0 |
|a Summary Report :
|b the persistence of preschoool effects
|
| 260 |
|
|
|a Washington :
|b GPO,
|c 1977.
|
| 300 |
|
|
|a 31 p. :
|b gráfs.
|
| 650 |
|
4 |
|a Educación inicial
|9 7607
|
| 650 |
|
4 |
|a Niños
|9 9189
|
| 650 |
|
4 |
|a Juventudes
|9 8701
|
| 650 |
|
4 |
|a Familia
|9 8001
|
| 650 |
|
4 |
|a Educación especial
|9 7599
|
| 651 |
|
4 |
|a Estados Unidos
|9 5788
|
| 942 |
|
|
|2 udc
|c LIBRO
|
| 999 |
|
|
|c 171035
|d 171035
|