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| 005 | 20210219153154.0 | ||
| 008 | 991125n 000 0 spa u | ||
| 035 | _aUPN01000081771 | ||
| 100 | _aSeidman, Edward, coaut. | ||
| 222 | _aCHILD DEVELOPMENT | ||
| 245 | _aThe impact of school transitions in early adolescence on the self-system and perceived social context of poor urban youth | ||
| 300 | _a507-522 | ||
| 362 | _a1994 65, no. 2, (april) | ||
| 653 | 0 | _aADOLESCENCIA | |
| 653 | 0 | _aCONDUCTA | |
| 653 | 0 | _aDESARROLLO COGNOSCITIVO | |
| 653 | 0 | _aPOBREZA | |
| 653 | 0 | _aPROBLEMAS DE CONDUCTA | |
| 904 |
_aAC _b019582 |
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| 905 | _aArticulo | ||
| 999 |
_c70136 _d70136 |
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