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| 005 | 20210219153431.0 | ||
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| 035 | _aUPN01000099189 | ||
| 100 | _aSmith, Stephen J | ||
| 222 | _aCANADIAN JOURNAL OF EDUCATION | ||
| 245 | _aThe security of the child's world | ||
| 300 | _a442-452 | ||
| 362 | _a16, No. 4, 1991 | ||
| 505 | _aEnero 1993 | ||
| 653 | 0 | _aAMBIENTE EDUCATIVO | |
| 653 | 0 | _aMETODOS DE ENSE\197ANZA | |
| 653 | 0 | _aRIESGO | |
| 653 | 0 | _aSEGURIDAD (PSICOLOGIA) | |
| 653 | 0 | _aNIÑOS | |
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| 905 | _aArticulo | ||
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