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_aEducación superior, ciencia y tecnología / _ced. Sylvia Ortega Salazar. |
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_aMéxico : _bFundación Mexicana Cambio XXI, Luis Donaldo Colosio, _c1994. |
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_aTECNOLOGIA - _zMEXICO _914373 |
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_aOrtega Salazar, Sylvia B., _eed. _929405 |
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