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http://tesis.ipn.mx/xmlui/handle/123456789/21566
http://tesis.ipn.mx/xmlui/handle/123456789/21005
http://tesis.ipn.mx/xmlui/handle/123456789/18768
http://tesis.ipn.mx/xmlui/handle/123456789/22719
http://tesis.ipn.mx/xmlui/handle/123456789/23345
http://tesis.ipn.mx/xmlui/handle/123456789/26722
http://tesis.ipn.mx/xmlui/handle/123456789/17619
http://tesis.ipn.mx/xmlui/handle/123456789/9627
http://tesis.ipn.mx/xmlui/handle/123456789/25108
http://tesis.ipn.mx/xmlui/handle/123456789/16400
http://tesis.ipn.mx/xmlui/handle/123456789/28883
http://tesis.ipn.mx/xmlui/handle/123456789/23557
http://tesis.ipn.mx/xmlui/handle/123456789/19637
http://tesis.ipn.mx/xmlui/handle/123456789/10470
http://tesis.ipn.mx/xmlui/handle/123456789/23139
http://tesis.ipn.mx/xmlui/handle/123456789/22435
http://tesis.ipn.mx/xmlui/handle/123456789/21007
http://tesis.ipn.mx/xmlui/handle/123456789/18841
http://tesis.ipn.mx/xmlui/handle/123456789/21895
http://tesis.ipn.mx/xmlui/handle/123456789/23348
http://tesis.ipn.mx/xmlui/handle/123456789/18633
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http://tesis.ipn.mx/xmlui/handle/123456789/17627
http://tesis.ipn.mx/xmlui/handle/123456789/2265
http://tesis.ipn.mx/xmlui/handle/123456789/14389
http://tesis.ipn.mx/xmlui/handle/123456789/17380
http://tesis.ipn.mx/xmlui/handle/123456789/859
http://tesis.ipn.mx/xmlui/handle/123456789/32042
http://tesis.ipn.mx/xmlui/handle/123456789/10212
http://tesis.ipn.mx/xmlui/handle/123456789/15482
http://tesis.ipn.mx/xmlui/handle/123456789/6875
http://tesis.ipn.mx/xmlui/handle/123456789/25512
http://tesis.ipn.mx/xmlui/handle/123456789/19360
http://tesis.ipn.mx/xmlui/handle/123456789/22890
http://tesis.ipn.mx/xmlui/handle/123456789/18901
http://tesis.ipn.mx/xmlui/handle/123456789/21929
http://tesis.ipn.mx/xmlui/handle/123456789/18606
http://tesis.ipn.mx/xmlui/handle/123456789/17679
http://tesis.ipn.mx/xmlui/handle/123456789/18006
http://tesis.ipn.mx/xmlui/handle/123456789/2073
http://tesis.ipn.mx/xmlui/handle/123456789/17865
http://tesis.ipn.mx/xmlui/handle/123456789/28897
http://tesis.ipn.mx/xmlui/handle/123456789/31245
http://tesis.ipn.mx/xmlui/handle/123456789/1602
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http://tesis.ipn.mx/xmlui/handle/123456789/10367
http://tesis.ipn.mx/xmlui/handle/123456789/20264
http://tesis.ipn.mx/xmlui/handle/123456789/22459
http://tesis.ipn.mx/xmlui/handle/123456789/27769
http://tesis.ipn.mx/xmlui/handle/123456789/21588
http://tesis.ipn.mx/xmlui/handle/123456789/21934