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| 035 | _a4531 | ||
| 005 | 20221112111314.0 | ||
| 998 |
_aBATCH _b20061129 _zjanium |
||
| 008 | 040601s1972uuuu r u000 0 spa d | ||
| 082 | 0 | 4 | _a370.13 E421c |
| 100 | 1 | _aElías de Ballesteros, Emilia | |
| 245 | 0 | 0 |
_aCiencia de la educación / _cEmilia Elías de Ballesteros |
| 250 | _a7 | ||
| 260 |
_aMéxico : _bPatria, _c1972 |
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