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| 005 | 20210219153316.0 | ||
| 008 | 991125n 000 0 eng u | ||
| 035 | _aUPN01000090707 | ||
| 100 | _aKOHL, Herbert R. | ||
| 222 | _aGRADE TEACHER | ||
| 245 | _aOn way 10 minutes a day of something different | ||
| 260 | _aDARIEN, EUA | ||
| 300 | _a16, 18, 20 | ||
| 362 | _a1968 oct. | ||
| 653 | 0 | _aDISCIPLINA | |
| 653 | 0 | _aINTERACCION MAESTRO-ALUMNO | |
| 653 | 0 | _aLIBERTAD | |
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| 905 | _aArticulo | ||
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