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| 008 | 991125c19781984mx 000 0 spa u | ||
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| 035 | _aUPN01000042989 | ||
| 049 | _aCG | ||
| 050 | 4 |
_aLB1620 _bG8.6 |
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| 100 | 1 | _aGuzmán Sosa, Gonzalo | |
| 245 | 1 | 0 |
_aOrientación vocacional / _cGonzalo Guzmán Sosa, Virginia Medina Sánchez. |
| 260 |
_aMéxico : _bTrillas, _cc1978 (1984 impr.). |
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| 300 |
_a129 p. : _bil. |
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| 650 | 4 |
_aOrientación vocacional _95 |
|
| 905 | _aLibro | ||
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_c42989 _d42989 |
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