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| 005 | 20220401091411.0 | ||
| 008 | 991125s1985 mx 000 0 spa u | ||
| 035 | _aUPN01000148591 | ||
| 100 | 1 |
_aOrnelas, Carlos _935818 |
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| 222 | _aEDUCACION 2001 | ||
| 245 | _aLa estrechez de la reforma a la secundaria | ||
| 260 | _aMéxico | ||
| 300 | _a7-10 | ||
| 362 | 0 | _a2006 No. 134, jul. | |
| 653 | 0 | _aREFORMA EDUCATIVA | |
| 653 | 0 | _aCURRICULUM | |
| 653 | 0 | _aEDUCACION SECUNDARIA | |
| 905 | _aArticulo | ||
| 999 |
_c120732 _d120732 |
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