| 000 | 00543nam a2200217 a 4500 | ||
|---|---|---|---|
| 005 | 20210219153431.0 | ||
| 008 | 991125n 000 0 spa u | ||
| 035 | _aUPN01000099185 | ||
| 100 | 1 | _aCastro P., Francisco | |
| 222 | _aREVISTA SEP | ||
| 245 | _aLa secundaria experimental | ||
| 260 | _aMéxico | ||
| 300 | _a12-17 | ||
| 362 | 0 | _a1975 Año 3, no. 12, feb. | |
| 653 | 0 | _aBIBLIOTECAS ESCOLARES | |
| 653 | 0 | _aCURRICULUM | |
| 653 | 0 | _aEDUCACION SECUNDARIA | |
| 653 | 0 | _aMAESTROS | |
| 904 |
_aAC _b036996 |
||
| 905 | _aArticulo | ||
| 999 |
_c76710 _d76710 |
||