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| 050 | 0 | 4 |
_aPE 1116 _bS6 S62 |
| 245 | 1 | 0 | _aSocial sciences and humanities |
| 260 |
_aMéxico : _bMcGraw-Hill, _c1980 |
||
| 300 |
_a160 p. ; _c27 cm. |
||
| 650 | 4 |
_aSociología - _xEstudio y enseñanza |
|
| 650 | 4 |
_aInglés - _xEstudio y enseñanza |
|
| 700 | 1 | _aAlcalá Rivera, Guillermo, coaut. | |
| 700 | 1 | _aGutiérrez Vidrio, Silvia, coaut. | |
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_aLOGICAT _b20 _c20040112 _lCIA01 _h1409 |
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