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| 020 | _a968-420-147-8 | ||
| 041 | _aESPAÑOL | ||
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_a _b |
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| 100 | _aMONTES GONZALEZ, LUIS D | ||
| 245 | 0 |
_aESTRUCTURA SOCIAL Y ECONOMICA DE MEXICO _b |
|
| 260 |
_aMEXICO _b COLEGIO DE BACHILLERES _c1980 |
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| 942 | _cBK | ||
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_c33903 _d33903 |
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