http://repositorio.utmachala.edu.ec/handle/48000/3303
http://repositorio.utmachala.edu.ec/handle/48000/3037
http://repositorio.utmachala.edu.ec/handle/48000/7319
http://repositorio.utmachala.edu.ec/handle/48000/8579
http://repositorio.utmachala.edu.ec/handle/48000/10759
http://repositorio.utmachala.edu.ec/handle/48000/8615
http://repositorio.utmachala.edu.ec/handle/48000/7308
http://repositorio.utmachala.edu.ec/handle/48000/7306
http://repositorio.utmachala.edu.ec/handle/48000/7307
http://repositorio.utmachala.edu.ec/handle/48000/8584
http://repositorio.utmachala.edu.ec/handle/48000/8619
http://repositorio.utmachala.edu.ec/handle/48000/2304
http://repositorio.utmachala.edu.ec/handle/48000/8596
http://repositorio.utmachala.edu.ec/handle/48000/2307
http://repositorio.utmachala.edu.ec/handle/48000/10750
http://repositorio.utmachala.edu.ec/handle/48000/2306
http://repositorio.utmachala.edu.ec/handle/48000/10758
http://repositorio.utmachala.edu.ec/handle/48000/3833
http://repositorio.utmachala.edu.ec/handle/48000/3036
http://repositorio.utmachala.edu.ec/handle/48000/10765
http://repositorio.utmachala.edu.ec/handle/48000/8912
http://repositorio.utmachala.edu.ec/handle/48000/10761
http://repositorio.utmachala.edu.ec/handle/48000/8889
http://repositorio.utmachala.edu.ec/handle/48000/7302
http://repositorio.utmachala.edu.ec/handle/48000/8898
http://repositorio.utmachala.edu.ec/handle/48000/12260
http://repositorio.utmachala.edu.ec/handle/48000/8899
http://repositorio.utmachala.edu.ec/handle/48000/8610
http://repositorio.utmachala.edu.ec/handle/48000/9274
http://repositorio.utmachala.edu.ec/handle/48000/9300
http://repositorio.utmachala.edu.ec/handle/48000/10737
http://repositorio.utmachala.edu.ec/handle/48000/8580
http://repositorio.utmachala.edu.ec/handle/48000/10754
http://repositorio.utmachala.edu.ec/handle/48000/8893
http://repositorio.utmachala.edu.ec/handle/48000/8901
http://repositorio.utmachala.edu.ec/handle/48000/7311
http://repositorio.utmachala.edu.ec/handle/48000/9271
http://repositorio.utmachala.edu.ec/handle/48000/7316
http://repositorio.utmachala.edu.ec/handle/48000/7318
http://repositorio.utmachala.edu.ec/handle/48000/9262
http://repositorio.utmachala.edu.ec/handle/48000/9297
http://repositorio.utmachala.edu.ec/handle/48000/9273
http://repositorio.utmachala.edu.ec/handle/48000/6578
http://repositorio.utmachala.edu.ec/handle/48000/9296
http://repositorio.utmachala.edu.ec/handle/48000/3593
http://repositorio.utmachala.edu.ec/handle/48000/4213
http://repositorio.utmachala.edu.ec/handle/48000/4216
http://repositorio.utmachala.edu.ec/handle/48000/3584
http://repositorio.utmachala.edu.ec/handle/48000/9290
http://repositorio.utmachala.edu.ec/handle/48000/9289
http://repositorio.utmachala.edu.ec/handle/48000/10748
http://repositorio.utmachala.edu.ec/handle/48000/10739
http://repositorio.utmachala.edu.ec/handle/48000/8894
http://repositorio.utmachala.edu.ec/handle/48000/4136
http://repositorio.utmachala.edu.ec/handle/48000/8888
http://repositorio.utmachala.edu.ec/handle/48000/4112
http://repositorio.utmachala.edu.ec/handle/48000/4109
http://repositorio.utmachala.edu.ec/handle/48000/4113
http://repositorio.utmachala.edu.ec/handle/48000/4146
http://repositorio.utmachala.edu.ec/handle/48000/12440
http://repositorio.utmachala.edu.ec/handle/48000/3998
http://repositorio.utmachala.edu.ec/handle/48000/3845
http://repositorio.utmachala.edu.ec/handle/48000/4008
http://repositorio.utmachala.edu.ec/handle/48000/3835
http://repositorio.utmachala.edu.ec/handle/48000/4000
http://repositorio.utmachala.edu.ec/handle/48000/4110
http://repositorio.utmachala.edu.ec/handle/48000/4114
http://repositorio.utmachala.edu.ec/handle/48000/4111
http://repositorio.utmachala.edu.ec/handle/48000/12261
http://repositorio.utmachala.edu.ec/handle/48000/10753
http://repositorio.utmachala.edu.ec/handle/48000/10742
http://repositorio.utmachala.edu.ec/handle/48000/10744
http://repositorio.utmachala.edu.ec/handle/48000/10751
http://repositorio.utmachala.edu.ec/handle/48000/10756
http://repositorio.utmachala.edu.ec/handle/48000/10775
http://repositorio.utmachala.edu.ec/handle/48000/10740
http://repositorio.utmachala.edu.ec/handle/48000/10741
http://repositorio.utmachala.edu.ec/handle/48000/10743
http://repositorio.utmachala.edu.ec/handle/48000/10760
http://repositorio.utmachala.edu.ec/handle/48000/9916
http://repositorio.utmachala.edu.ec/handle/48000/3039
http://repositorio.utmachala.edu.ec/handle/48000/3305
http://repositorio.utmachala.edu.ec/handle/48000/8598
http://repositorio.utmachala.edu.ec/handle/48000/9292
http://repositorio.utmachala.edu.ec/handle/48000/12255
http://repositorio.utmachala.edu.ec/handle/48000/9291
http://repositorio.utmachala.edu.ec/handle/48000/8586
http://repositorio.utmachala.edu.ec/handle/48000/9283
http://repositorio.utmachala.edu.ec/handle/48000/9295
http://repositorio.utmachala.edu.ec/handle/48000/9305
http://repositorio.utmachala.edu.ec/handle/48000/9266
http://repositorio.utmachala.edu.ec/handle/48000/3829
http://repositorio.utmachala.edu.ec/handle/48000/3831
http://repositorio.utmachala.edu.ec/handle/48000/9934
http://repositorio.utmachala.edu.ec/handle/48000/6571
http://repositorio.utmachala.edu.ec/handle/48000/12257
http://repositorio.utmachala.edu.ec/handle/48000/3592
http://repositorio.utmachala.edu.ec/handle/48000/3038
http://repositorio.utmachala.edu.ec/handle/48000/9288
http://repositorio.utmachala.edu.ec/handle/48000/12259
http://repositorio.utmachala.edu.ec/handle/48000/8581
http://repositorio.utmachala.edu.ec/handle/48000/8585
http://repositorio.utmachala.edu.ec/handle/48000/3518
http://repositorio.utmachala.edu.ec/handle/48000/3838
http://repositorio.utmachala.edu.ec/handle/48000/10014
http://repositorio.utmachala.edu.ec/handle/48000/4115
http://repositorio.utmachala.edu.ec/handle/48000/10732
http://repositorio.utmachala.edu.ec/handle/48000/10747
http://repositorio.utmachala.edu.ec/handle/48000/10749
http://repositorio.utmachala.edu.ec/handle/48000/10762
http://repositorio.utmachala.edu.ec/handle/48000/4149
http://repositorio.utmachala.edu.ec/handle/48000/4150
http://repositorio.utmachala.edu.ec/handle/48000/4151
http://repositorio.utmachala.edu.ec/handle/48000/4147
http://repositorio.utmachala.edu.ec/handle/48000/4148
http://repositorio.utmachala.edu.ec/handle/48000/9931
http://repositorio.utmachala.edu.ec/handle/48000/9888
http://repositorio.utmachala.edu.ec/handle/48000/9896
http://repositorio.utmachala.edu.ec/handle/48000/10745
http://repositorio.utmachala.edu.ec/handle/48000/9921
http://repositorio.utmachala.edu.ec/handle/48000/9891
http://repositorio.utmachala.edu.ec/handle/48000/9910
http://repositorio.utmachala.edu.ec/handle/48000/4013
http://repositorio.utmachala.edu.ec/handle/48000/9908
http://repositorio.utmachala.edu.ec/handle/48000/9924
http://repositorio.utmachala.edu.ec/handle/48000/8904
http://repositorio.utmachala.edu.ec/handle/48000/8905
http://repositorio.utmachala.edu.ec/handle/48000/8917
http://repositorio.utmachala.edu.ec/handle/48000/8890
http://repositorio.utmachala.edu.ec/handle/48000/8897
http://repositorio.utmachala.edu.ec/handle/48000/8891
http://repositorio.utmachala.edu.ec/handle/48000/9935
http://repositorio.utmachala.edu.ec/handle/48000/9892
http://repositorio.utmachala.edu.ec/handle/48000/8911
http://repositorio.utmachala.edu.ec/handle/48000/9922
http://repositorio.utmachala.edu.ec/handle/48000/10010
http://repositorio.utmachala.edu.ec/handle/48000/8923
http://repositorio.utmachala.edu.ec/handle/48000/8909
http://repositorio.utmachala.edu.ec/handle/48000/8913
http://repositorio.utmachala.edu.ec/handle/48000/8902
http://repositorio.utmachala.edu.ec/handle/48000/8900
http://repositorio.utmachala.edu.ec/handle/48000/8903
http://repositorio.utmachala.edu.ec/handle/48000/9979
http://repositorio.utmachala.edu.ec/handle/48000/9983
http://repositorio.utmachala.edu.ec/handle/48000/9982
http://repositorio.utmachala.edu.ec/handle/48000/9912
http://repositorio.utmachala.edu.ec/handle/48000/9918
http://repositorio.utmachala.edu.ec/handle/48000/9913
http://repositorio.utmachala.edu.ec/handle/48000/9981
http://repositorio.utmachala.edu.ec/handle/48000/9917
http://repositorio.utmachala.edu.ec/handle/48000/9919
http://repositorio.utmachala.edu.ec/handle/48000/9923
http://repositorio.utmachala.edu.ec/handle/48000/9914
http://repositorio.utmachala.edu.ec/handle/48000/9971
http://repositorio.utmachala.edu.ec/handle/48000/9943
http://repositorio.utmachala.edu.ec/handle/48000/8587
http://repositorio.utmachala.edu.ec/handle/48000/9275
http://repositorio.utmachala.edu.ec/handle/48000/9937
http://repositorio.utmachala.edu.ec/handle/48000/9278
http://repositorio.utmachala.edu.ec/handle/48000/9941
http://repositorio.utmachala.edu.ec/handle/48000/9944
http://repositorio.utmachala.edu.ec/handle/48000/9967
http://repositorio.utmachala.edu.ec/handle/48000/10015
http://repositorio.utmachala.edu.ec/handle/48000/9984
http://repositorio.utmachala.edu.ec/handle/48000/10000
http://repositorio.utmachala.edu.ec/handle/48000/10019
http://repositorio.utmachala.edu.ec/handle/48000/10006
http://repositorio.utmachala.edu.ec/handle/48000/9998
http://repositorio.utmachala.edu.ec/handle/48000/10002
http://repositorio.utmachala.edu.ec/handle/48000/10009
http://repositorio.utmachala.edu.ec/handle/48000/9988
http://repositorio.utmachala.edu.ec/handle/48000/10003
http://repositorio.utmachala.edu.ec/handle/48000/9987
http://repositorio.utmachala.edu.ec/handle/48000/10020
http://repositorio.utmachala.edu.ec/handle/48000/10016
http://repositorio.utmachala.edu.ec/handle/48000/10017
http://repositorio.utmachala.edu.ec/handle/48000/10021
http://repositorio.utmachala.edu.ec/handle/48000/10022
http://repositorio.utmachala.edu.ec/handle/48000/10023
http://repositorio.utmachala.edu.ec/handle/48000/10018
http://repositorio.utmachala.edu.ec/handle/48000/10013
http://repositorio.utmachala.edu.ec/handle/48000/10012
http://repositorio.utmachala.edu.ec/handle/48000/9929
http://repositorio.utmachala.edu.ec/handle/48000/9264
http://repositorio.utmachala.edu.ec/handle/48000/8620
http://repositorio.utmachala.edu.ec/handle/48000/9270
http://repositorio.utmachala.edu.ec/handle/48000/4021
http://repositorio.utmachala.edu.ec/handle/48000/8621
http://repositorio.utmachala.edu.ec/handle/48000/9277
http://repositorio.utmachala.edu.ec/handle/48000/8599
http://repositorio.utmachala.edu.ec/handle/48000/3040
http://repositorio.utmachala.edu.ec/handle/48000/4015
http://repositorio.utmachala.edu.ec/handle/48000/8607
http://repositorio.utmachala.edu.ec/handle/48000/4016
http://repositorio.utmachala.edu.ec/handle/48000/4019
http://repositorio.utmachala.edu.ec/handle/48000/3515
http://repositorio.utmachala.edu.ec/handle/48000/9265
http://repositorio.utmachala.edu.ec/handle/48000/9269
http://repositorio.utmachala.edu.ec/handle/48000/9915
http://repositorio.utmachala.edu.ec/handle/48000/8609
http://repositorio.utmachala.edu.ec/handle/48000/9268
http://repositorio.utmachala.edu.ec/handle/48000/8611
http://repositorio.utmachala.edu.ec/handle/48000/9279
http://repositorio.utmachala.edu.ec/handle/48000/3306
http://repositorio.utmachala.edu.ec/handle/48000/8601
http://repositorio.utmachala.edu.ec/handle/48000/8591
http://repositorio.utmachala.edu.ec/handle/48000/8592
http://repositorio.utmachala.edu.ec/handle/48000/7326
http://repositorio.utmachala.edu.ec/handle/48000/7327
http://repositorio.utmachala.edu.ec/handle/48000/8589
http://repositorio.utmachala.edu.ec/handle/48000/9970
http://repositorio.utmachala.edu.ec/handle/48000/8593
http://repositorio.utmachala.edu.ec/handle/48000/12441
http://repositorio.utmachala.edu.ec/handle/48000/10746
http://repositorio.utmachala.edu.ec/handle/48000/10734
http://repositorio.utmachala.edu.ec/handle/48000/10763
http://repositorio.utmachala.edu.ec/handle/48000/9280
http://repositorio.utmachala.edu.ec/handle/48000/3849
http://repositorio.utmachala.edu.ec/handle/48000/4152
http://repositorio.utmachala.edu.ec/handle/48000/10736
http://repositorio.utmachala.edu.ec/handle/48000/9926
http://repositorio.utmachala.edu.ec/handle/48000/9925
http://repositorio.utmachala.edu.ec/handle/48000/10757
http://repositorio.utmachala.edu.ec/handle/48000/9993
http://repositorio.utmachala.edu.ec/handle/48000/10001
http://repositorio.utmachala.edu.ec/handle/48000/10735
http://repositorio.utmachala.edu.ec/handle/48000/9980
http://repositorio.utmachala.edu.ec/handle/48000/9894
http://repositorio.utmachala.edu.ec/handle/48000/9900
http://repositorio.utmachala.edu.ec/handle/48000/10764
http://repositorio.utmachala.edu.ec/handle/48000/9996
http://repositorio.utmachala.edu.ec/handle/48000/9902
http://repositorio.utmachala.edu.ec/handle/48000/9920
http://repositorio.utmachala.edu.ec/handle/48000/9897
http://repositorio.utmachala.edu.ec/handle/48000/9893
http://repositorio.utmachala.edu.ec/handle/48000/9898
http://repositorio.utmachala.edu.ec/handle/48000/10007
http://repositorio.utmachala.edu.ec/handle/48000/10733
http://repositorio.utmachala.edu.ec/handle/48000/4201
http://repositorio.utmachala.edu.ec/handle/48000/9909
http://repositorio.utmachala.edu.ec/handle/48000/4203
http://repositorio.utmachala.edu.ec/handle/48000/4179
http://repositorio.utmachala.edu.ec/handle/48000/4180
http://repositorio.utmachala.edu.ec/handle/48000/4181
http://repositorio.utmachala.edu.ec/handle/48000/9911
http://repositorio.utmachala.edu.ec/handle/48000/4182
http://repositorio.utmachala.edu.ec/handle/48000/4184
http://repositorio.utmachala.edu.ec/handle/48000/9907
http://repositorio.utmachala.edu.ec/handle/48000/9932
http://repositorio.utmachala.edu.ec/handle/48000/4207
http://repositorio.utmachala.edu.ec/handle/48000/4185
http://repositorio.utmachala.edu.ec/handle/48000/9904
http://repositorio.utmachala.edu.ec/handle/48000/9905
http://repositorio.utmachala.edu.ec/handle/48000/9933
http://repositorio.utmachala.edu.ec/handle/48000/10776
http://repositorio.utmachala.edu.ec/handle/48000/10777
http://repositorio.utmachala.edu.ec/handle/48000/10778
http://repositorio.utmachala.edu.ec/handle/48000/9969
http://repositorio.utmachala.edu.ec/handle/48000/10008
http://repositorio.utmachala.edu.ec/handle/48000/9928
http://repositorio.utmachala.edu.ec/handle/48000/9930
http://repositorio.utmachala.edu.ec/handle/48000/9895
http://repositorio.utmachala.edu.ec/handle/48000/9986
http://repositorio.utmachala.edu.ec/handle/48000/9936
http://repositorio.utmachala.edu.ec/handle/48000/9995
http://repositorio.utmachala.edu.ec/handle/48000/9938
http://repositorio.utmachala.edu.ec/handle/48000/10034
http://repositorio.utmachala.edu.ec/handle/48000/9942
http://repositorio.utmachala.edu.ec/handle/48000/9992
http://repositorio.utmachala.edu.ec/handle/48000/9991
http://repositorio.utmachala.edu.ec/handle/48000/10024
http://repositorio.utmachala.edu.ec/handle/48000/9985
http://repositorio.utmachala.edu.ec/handle/48000/10011
http://repositorio.utmachala.edu.ec/handle/48000/9906
http://repositorio.utmachala.edu.ec/handle/48000/9999
http://repositorio.utmachala.edu.ec/handle/48000/9989
http://repositorio.utmachala.edu.ec/handle/48000/9994
http://repositorio.utmachala.edu.ec/handle/48000/9990
http://repositorio.utmachala.edu.ec/handle/48000/10005
http://repositorio.utmachala.edu.ec/handle/48000/9889
http://repositorio.utmachala.edu.ec/handle/48000/9890
http://repositorio.utmachala.edu.ec/handle/48000/9997
http://repositorio.utmachala.edu.ec/handle/48000/10004
http://repositorio.utmachala.edu.ec/handle/48000/8594
http://repositorio.utmachala.edu.ec/handle/48000/8597
http://repositorio.utmachala.edu.ec/handle/48000/9940
http://repositorio.utmachala.edu.ec/handle/48000/8608
http://repositorio.utmachala.edu.ec/handle/48000/9267
http://repositorio.utmachala.edu.ec/handle/48000/8652
http://repositorio.utmachala.edu.ec/handle/48000/8653
http://repositorio.utmachala.edu.ec/handle/48000/8655
http://repositorio.utmachala.edu.ec/handle/48000/8617
http://repositorio.utmachala.edu.ec/handle/48000/3588
http://repositorio.utmachala.edu.ec/handle/48000/3599
http://repositorio.utmachala.edu.ec/handle/48000/10799
http://repositorio.utmachala.edu.ec/handle/48000/3716
http://repositorio.utmachala.edu.ec/handle/48000/8647
http://repositorio.utmachala.edu.ec/handle/48000/8657
http://repositorio.utmachala.edu.ec/handle/48000/8627
http://repositorio.utmachala.edu.ec/handle/48000/8648
http://repositorio.utmachala.edu.ec/handle/48000/8644
http://repositorio.utmachala.edu.ec/handle/48000/8624
http://repositorio.utmachala.edu.ec/handle/48000/8649
http://repositorio.utmachala.edu.ec/handle/48000/8629
http://repositorio.utmachala.edu.ec/handle/48000/8630
http://repositorio.utmachala.edu.ec/handle/48000/8631
http://repositorio.utmachala.edu.ec/handle/48000/10114
http://repositorio.utmachala.edu.ec/handle/48000/10149
http://repositorio.utmachala.edu.ec/handle/48000/9927
http://repositorio.utmachala.edu.ec/handle/48000/10771
http://repositorio.utmachala.edu.ec/handle/48000/10105
http://repositorio.utmachala.edu.ec/handle/48000/10770
http://repositorio.utmachala.edu.ec/handle/48000/8952
http://repositorio.utmachala.edu.ec/handle/48000/8950
http://repositorio.utmachala.edu.ec/handle/48000/8931
http://repositorio.utmachala.edu.ec/handle/48000/4154
http://repositorio.utmachala.edu.ec/handle/48000/2772
http://repositorio.utmachala.edu.ec/handle/48000/10773
http://repositorio.utmachala.edu.ec/handle/48000/2777
http://repositorio.utmachala.edu.ec/handle/48000/8933
http://repositorio.utmachala.edu.ec/handle/48000/2779
http://repositorio.utmachala.edu.ec/handle/48000/2780
http://repositorio.utmachala.edu.ec/handle/48000/2781
http://repositorio.utmachala.edu.ec/handle/48000/8928
http://repositorio.utmachala.edu.ec/handle/48000/8929
http://repositorio.utmachala.edu.ec/handle/48000/12446
http://repositorio.utmachala.edu.ec/handle/48000/8926
http://repositorio.utmachala.edu.ec/handle/48000/8934
http://repositorio.utmachala.edu.ec/handle/48000/2786
http://repositorio.utmachala.edu.ec/handle/48000/2787
http://repositorio.utmachala.edu.ec/handle/48000/8930
http://repositorio.utmachala.edu.ec/handle/48000/10769
http://repositorio.utmachala.edu.ec/handle/48000/10767
http://repositorio.utmachala.edu.ec/handle/48000/10127
http://repositorio.utmachala.edu.ec/handle/48000/10106
http://repositorio.utmachala.edu.ec/handle/48000/10025
http://repositorio.utmachala.edu.ec/handle/48000/12447
http://repositorio.utmachala.edu.ec/handle/48000/10119
http://repositorio.utmachala.edu.ec/handle/48000/10117
http://repositorio.utmachala.edu.ec/handle/48000/8625
http://repositorio.utmachala.edu.ec/handle/48000/12442
http://repositorio.utmachala.edu.ec/handle/48000/10120
http://repositorio.utmachala.edu.ec/handle/48000/10108
http://repositorio.utmachala.edu.ec/handle/48000/7328
http://repositorio.utmachala.edu.ec/handle/48000/12443
http://repositorio.utmachala.edu.ec/handle/48000/9899
http://repositorio.utmachala.edu.ec/handle/48000/9901
http://repositorio.utmachala.edu.ec/handle/48000/9903
http://repositorio.utmachala.edu.ec/handle/48000/10118
http://repositorio.utmachala.edu.ec/handle/48000/10116
http://repositorio.utmachala.edu.ec/handle/48000/10780
http://repositorio.utmachala.edu.ec/handle/48000/10774
http://repositorio.utmachala.edu.ec/handle/48000/10032
http://repositorio.utmachala.edu.ec/handle/48000/10028
http://repositorio.utmachala.edu.ec/handle/48000/10065
http://repositorio.utmachala.edu.ec/handle/48000/10029
http://repositorio.utmachala.edu.ec/handle/48000/10078
http://repositorio.utmachala.edu.ec/handle/48000/10038
http://repositorio.utmachala.edu.ec/handle/48000/10027
http://repositorio.utmachala.edu.ec/handle/48000/10072
http://repositorio.utmachala.edu.ec/handle/48000/10030
http://repositorio.utmachala.edu.ec/handle/48000/10081
http://repositorio.utmachala.edu.ec/handle/48000/10786
http://repositorio.utmachala.edu.ec/handle/48000/12450
http://repositorio.utmachala.edu.ec/handle/48000/10128
http://repositorio.utmachala.edu.ec/handle/48000/10040
http://repositorio.utmachala.edu.ec/handle/48000/10801
http://repositorio.utmachala.edu.ec/handle/48000/12448
http://repositorio.utmachala.edu.ec/handle/48000/10126
http://repositorio.utmachala.edu.ec/handle/48000/12451
http://repositorio.utmachala.edu.ec/handle/48000/8616
http://repositorio.utmachala.edu.ec/handle/48000/10797
http://repositorio.utmachala.edu.ec/handle/48000/12449
http://repositorio.utmachala.edu.ec/handle/48000/8626
http://repositorio.utmachala.edu.ec/handle/48000/8628
http://repositorio.utmachala.edu.ec/handle/48000/8635
http://repositorio.utmachala.edu.ec/handle/48000/8656
http://repositorio.utmachala.edu.ec/handle/48000/8658
http://repositorio.utmachala.edu.ec/handle/48000/8938
http://repositorio.utmachala.edu.ec/handle/48000/8940
http://repositorio.utmachala.edu.ec/handle/48000/9298
http://repositorio.utmachala.edu.ec/handle/48000/10802
http://repositorio.utmachala.edu.ec/handle/48000/10794
http://repositorio.utmachala.edu.ec/handle/48000/12453
http://repositorio.utmachala.edu.ec/handle/48000/12452
http://repositorio.utmachala.edu.ec/handle/48000/12456
http://repositorio.utmachala.edu.ec/handle/48000/12455