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| 005 | 20210219153228.0 | ||
| 008 | 991125n 000 0 spa u | ||
| 035 | _aUPN01000084745 | ||
| 100 | _aEscalante Herrera, Ivan | ||
| 222 | _aDIFUSION EDUCATIVA | ||
| 245 | _aLa investigación educativa | ||
| 300 | _a25-28 | ||
| 362 | _a1992 No. 2, año 2, oct. | ||
| 904 |
_aAC _b022556 |
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| 905 | _aArticulo | ||
| 999 |
_c71454 _d71454 |
||