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| 005 | 20210219153204.0 | ||
| 008 | 991125n 000 0 eng u | ||
| 035 | _aUPN01000083227 | ||
| 100 | _aMerrill, M. David | ||
| 222 | 0 | _aEDUCATIONAL TECHNOLOGY | |
| 245 | 0 | _aInstructional transaction theory : knowledge relationships among processes, entities, and activities | |
| 300 | _a5-16 | ||
| 362 | _a1993 33, no. 4 | ||
| 653 | 0 | _aDISEÑO ASISTIDO POR ORDENADOR | |
| 653 | 0 | _aENSEÑANZA PROGRAMADA | |
| 904 |
_aAC _b021038 |
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| 905 | _aArticulo | ||
| 999 |
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