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  • http://tesis.ipn.mx/xmlui/handle/123456789/27585
  • http://tesis.ipn.mx/xmlui/handle/123456789/27595
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  • http://tesis.ipn.mx/xmlui/handle/123456789/20084
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  • http://tesis.ipn.mx/xmlui/handle/123456789/20230
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  • http://tesis.ipn.mx/xmlui/handle/123456789/31374
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  • http://tesis.ipn.mx/xmlui/handle/123456789/30990
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  • http://tesis.ipn.mx/xmlui/handle/123456789/23414
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  • http://tesis.ipn.mx/xmlui/handle/123456789/11108
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  • http://tesis.ipn.mx/xmlui/handle/123456789/12625
  • http://tesis.ipn.mx/xmlui/handle/123456789/10442
  • http://tesis.ipn.mx/xmlui/handle/123456789/13918