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http://tesis.ipn.mx/xmlui/handle/123456789/19336
http://tesis.ipn.mx/xmlui/handle/123456789/19154
http://tesis.ipn.mx/xmlui/handle/123456789/18858
http://tesis.ipn.mx/xmlui/handle/123456789/19152
http://tesis.ipn.mx/xmlui/handle/123456789/19159
http://tesis.ipn.mx/xmlui/handle/123456789/18919
http://tesis.ipn.mx/xmlui/handle/123456789/19471
http://tesis.ipn.mx/xmlui/handle/123456789/19472
http://tesis.ipn.mx/xmlui/handle/123456789/19756
http://tesis.ipn.mx/xmlui/handle/123456789/19755
http://tesis.ipn.mx/xmlui/handle/123456789/19795
http://tesis.ipn.mx/xmlui/handle/123456789/22198
http://tesis.ipn.mx/xmlui/handle/123456789/21462
http://tesis.ipn.mx/xmlui/handle/123456789/21465
http://tesis.ipn.mx/xmlui/handle/123456789/21468
http://tesis.ipn.mx/xmlui/handle/123456789/21452
http://tesis.ipn.mx/xmlui/handle/123456789/21464
http://tesis.ipn.mx/xmlui/handle/123456789/21457
http://tesis.ipn.mx/xmlui/handle/123456789/28660
http://tesis.ipn.mx/xmlui/handle/123456789/28666
http://tesis.ipn.mx/xmlui/handle/123456789/28629
http://tesis.ipn.mx/xmlui/handle/123456789/28699
http://tesis.ipn.mx/xmlui/handle/123456789/29933
http://tesis.ipn.mx/xmlui/handle/123456789/29943
http://tesis.ipn.mx/xmlui/handle/123456789/30277
http://tesis.ipn.mx/xmlui/handle/123456789/30977
http://tesis.ipn.mx/xmlui/handle/123456789/30979
http://tesis.ipn.mx/xmlui/handle/123456789/31026
http://tesis.ipn.mx/xmlui/handle/123456789/31027
http://tesis.ipn.mx/xmlui/handle/123456789/31028
http://tesis.ipn.mx/xmlui/handle/123456789/31029
http://tesis.ipn.mx/xmlui/handle/123456789/31039
http://tesis.ipn.mx/xmlui/handle/123456789/31040
http://tesis.ipn.mx/xmlui/handle/123456789/31041
http://tesis.ipn.mx/xmlui/handle/123456789/31043
http://tesis.ipn.mx/xmlui/handle/123456789/31044
http://tesis.ipn.mx/xmlui/handle/123456789/31048
http://tesis.ipn.mx/xmlui/handle/123456789/31052
http://tesis.ipn.mx/xmlui/handle/123456789/31058
http://tesis.ipn.mx/xmlui/handle/123456789/31059
http://tesis.ipn.mx/xmlui/handle/123456789/31060
http://tesis.ipn.mx/xmlui/handle/123456789/31061
http://tesis.ipn.mx/xmlui/handle/123456789/31073
http://tesis.ipn.mx/xmlui/handle/123456789/31074
http://tesis.ipn.mx/xmlui/handle/123456789/31075
http://tesis.ipn.mx/xmlui/handle/123456789/31080
http://tesis.ipn.mx/xmlui/handle/123456789/31135
http://tesis.ipn.mx/xmlui/handle/123456789/31136
http://tesis.ipn.mx/xmlui/handle/123456789/31115
http://tesis.ipn.mx/xmlui/handle/123456789/31116
http://tesis.ipn.mx/xmlui/handle/123456789/31148