URL List

http://dspace.utb.edu.ec/handle/49000/15699
http://dspace.utb.edu.ec/handle/49000/15706
http://dspace.utb.edu.ec/handle/49000/15710
http://dspace.utb.edu.ec/handle/49000/15711
http://dspace.utb.edu.ec/handle/49000/15717
http://dspace.utb.edu.ec/handle/49000/15733
http://dspace.utb.edu.ec/handle/49000/15736
http://dspace.utb.edu.ec/handle/49000/15743
http://dspace.utb.edu.ec/handle/49000/15744
http://dspace.utb.edu.ec/handle/49000/15750
http://dspace.utb.edu.ec/handle/49000/15756
http://dspace.utb.edu.ec/handle/49000/15753
http://dspace.utb.edu.ec/handle/49000/15754
http://dspace.utb.edu.ec/handle/49000/15755
http://dspace.utb.edu.ec/handle/49000/15757
http://dspace.utb.edu.ec/handle/49000/15759
http://dspace.utb.edu.ec/handle/49000/15760
http://dspace.utb.edu.ec/handle/49000/15762
http://dspace.utb.edu.ec/handle/49000/15767
http://dspace.utb.edu.ec/handle/49000/15770
http://dspace.utb.edu.ec/handle/49000/15774
http://dspace.utb.edu.ec/handle/49000/15775
http://dspace.utb.edu.ec/handle/49000/15778
http://dspace.utb.edu.ec/handle/49000/15780
http://dspace.utb.edu.ec/handle/49000/15781
http://dspace.utb.edu.ec/handle/49000/15784
http://dspace.utb.edu.ec/handle/49000/15785
http://dspace.utb.edu.ec/handle/49000/15786
http://dspace.utb.edu.ec/handle/49000/15787
http://dspace.utb.edu.ec/handle/49000/15788
http://dspace.utb.edu.ec/handle/49000/15790
http://dspace.utb.edu.ec/handle/49000/15798
http://dspace.utb.edu.ec/handle/49000/15800
http://dspace.utb.edu.ec/handle/49000/15802
http://dspace.utb.edu.ec/handle/49000/15804
http://dspace.utb.edu.ec/handle/49000/15805
http://dspace.utb.edu.ec/handle/49000/15683
http://dspace.utb.edu.ec/handle/49000/15684
http://dspace.utb.edu.ec/handle/49000/16390
http://dspace.utb.edu.ec/handle/49000/15686
http://dspace.utb.edu.ec/handle/49000/15687
http://dspace.utb.edu.ec/handle/49000/15691
http://dspace.utb.edu.ec/handle/49000/15725
http://dspace.utb.edu.ec/handle/49000/15748
http://dspace.utb.edu.ec/handle/49000/15763
http://dspace.utb.edu.ec/handle/49000/15675
http://dspace.utb.edu.ec/handle/49000/15676
http://dspace.utb.edu.ec/handle/49000/15681
http://dspace.utb.edu.ec/handle/49000/15705
http://dspace.utb.edu.ec/handle/49000/15707
http://dspace.utb.edu.ec/handle/49000/15741
http://dspace.utb.edu.ec/handle/49000/15742
http://dspace.utb.edu.ec/handle/49000/15765
http://dspace.utb.edu.ec/handle/49000/15771
http://dspace.utb.edu.ec/handle/49000/15772
http://dspace.utb.edu.ec/handle/49000/15789
http://dspace.utb.edu.ec/handle/49000/15791
http://dspace.utb.edu.ec/handle/49000/15794
http://dspace.utb.edu.ec/handle/49000/15795
http://dspace.utb.edu.ec/handle/49000/15796
http://dspace.utb.edu.ec/handle/49000/15808
http://dspace.utb.edu.ec/handle/49000/15678
http://dspace.utb.edu.ec/handle/49000/15701
http://dspace.utb.edu.ec/handle/49000/15677
http://dspace.utb.edu.ec/handle/49000/15680
http://dspace.utb.edu.ec/handle/49000/15698
http://dspace.utb.edu.ec/handle/49000/15713
http://dspace.utb.edu.ec/handle/49000/15716
http://dspace.utb.edu.ec/handle/49000/15728
http://dspace.utb.edu.ec/handle/49000/15729
http://dspace.utb.edu.ec/handle/49000/15730
http://dspace.utb.edu.ec/handle/49000/15731
http://dspace.utb.edu.ec/handle/49000/15734
http://dspace.utb.edu.ec/handle/49000/15801
http://dspace.utb.edu.ec/handle/49000/15803
http://dspace.utb.edu.ec/handle/49000/15692
http://dspace.utb.edu.ec/handle/49000/15704
http://dspace.utb.edu.ec/handle/49000/15708
http://dspace.utb.edu.ec/handle/49000/15714
http://dspace.utb.edu.ec/handle/49000/15738
http://dspace.utb.edu.ec/handle/49000/15745
http://dspace.utb.edu.ec/handle/49000/15746
http://dspace.utb.edu.ec/handle/49000/15768
http://dspace.utb.edu.ec/handle/49000/15776
http://dspace.utb.edu.ec/handle/49000/15782
http://dspace.utb.edu.ec/handle/49000/15783
http://dspace.utb.edu.ec/handle/49000/15799
http://dspace.utb.edu.ec/handle/49000/15810
http://dspace.utb.edu.ec/handle/49000/15807
http://dspace.utb.edu.ec/handle/49000/15688
http://dspace.utb.edu.ec/handle/49000/15694
http://dspace.utb.edu.ec/handle/49000/15689
http://dspace.utb.edu.ec/handle/49000/15690
http://dspace.utb.edu.ec/handle/49000/15700
http://dspace.utb.edu.ec/handle/49000/15702
http://dspace.utb.edu.ec/handle/49000/15703
http://dspace.utb.edu.ec/handle/49000/15709
http://dspace.utb.edu.ec/handle/49000/15712
http://dspace.utb.edu.ec/handle/49000/15721
http://dspace.utb.edu.ec/handle/49000/15724
http://dspace.utb.edu.ec/handle/49000/15749
http://dspace.utb.edu.ec/handle/49000/15752
http://dspace.utb.edu.ec/handle/49000/15761
http://dspace.utb.edu.ec/handle/49000/15764
http://dspace.utb.edu.ec/handle/49000/15766
http://dspace.utb.edu.ec/handle/49000/15769
http://dspace.utb.edu.ec/handle/49000/15777
http://dspace.utb.edu.ec/handle/49000/15793
http://dspace.utb.edu.ec/handle/49000/15715
http://dspace.utb.edu.ec/handle/49000/15723
http://dspace.utb.edu.ec/handle/49000/15740
http://dspace.utb.edu.ec/handle/49000/15726
http://dspace.utb.edu.ec/handle/49000/15727
http://dspace.utb.edu.ec/handle/49000/15735
http://dspace.utb.edu.ec/handle/49000/15737
http://dspace.utb.edu.ec/handle/49000/15747
http://dspace.utb.edu.ec/handle/49000/15751
http://dspace.utb.edu.ec/handle/49000/15773
http://dspace.utb.edu.ec/handle/49000/15779
http://dspace.utb.edu.ec/handle/49000/15792
http://dspace.utb.edu.ec/handle/49000/15797
http://dspace.utb.edu.ec/handle/49000/15809
http://dspace.utb.edu.ec/handle/49000/15718
http://dspace.utb.edu.ec/handle/49000/15722
http://dspace.utb.edu.ec/handle/49000/15719
http://dspace.utb.edu.ec/handle/49000/15720
http://dspace.utb.edu.ec/handle/49000/15732
http://dspace.utb.edu.ec/handle/49000/15739
http://dspace.utb.edu.ec/handle/49000/15758
http://dspace.utb.edu.ec/handle/49000/15806
http://dspace.utb.edu.ec/handle/49000/15811
http://dspace.utb.edu.ec/handle/49000/15812
http://dspace.utb.edu.ec/handle/49000/15813
http://dspace.utb.edu.ec/handle/49000/15814
http://dspace.utb.edu.ec/handle/49000/15815
http://dspace.utb.edu.ec/handle/49000/15816
http://dspace.utb.edu.ec/handle/49000/15817
http://dspace.utb.edu.ec/handle/49000/15818
http://dspace.utb.edu.ec/handle/49000/15822
http://dspace.utb.edu.ec/handle/49000/15859
http://dspace.utb.edu.ec/handle/49000/15873
http://dspace.utb.edu.ec/handle/49000/15819
http://dspace.utb.edu.ec/handle/49000/15823
http://dspace.utb.edu.ec/handle/49000/15824
http://dspace.utb.edu.ec/handle/49000/15825
http://dspace.utb.edu.ec/handle/49000/15828
http://dspace.utb.edu.ec/handle/49000/15820
http://dspace.utb.edu.ec/handle/49000/15821
http://dspace.utb.edu.ec/handle/49000/15826
http://dspace.utb.edu.ec/handle/49000/15827
http://dspace.utb.edu.ec/handle/49000/15829
http://dspace.utb.edu.ec/handle/49000/15830
http://dspace.utb.edu.ec/handle/49000/15831
http://dspace.utb.edu.ec/handle/49000/15832
http://dspace.utb.edu.ec/handle/49000/15833
http://dspace.utb.edu.ec/handle/49000/15834
http://dspace.utb.edu.ec/handle/49000/15835
http://dspace.utb.edu.ec/handle/49000/15836
http://dspace.utb.edu.ec/handle/49000/15837
http://dspace.utb.edu.ec/handle/49000/15838
http://dspace.utb.edu.ec/handle/49000/15839
http://dspace.utb.edu.ec/handle/49000/15840
http://dspace.utb.edu.ec/handle/49000/15841
http://dspace.utb.edu.ec/handle/49000/15842
http://dspace.utb.edu.ec/handle/49000/15843
http://dspace.utb.edu.ec/handle/49000/15844
http://dspace.utb.edu.ec/handle/49000/15845
http://dspace.utb.edu.ec/handle/49000/15846
http://dspace.utb.edu.ec/handle/49000/15849
http://dspace.utb.edu.ec/handle/49000/15854
http://dspace.utb.edu.ec/handle/49000/15855
http://dspace.utb.edu.ec/handle/49000/15856
http://dspace.utb.edu.ec/handle/49000/15857
http://dspace.utb.edu.ec/handle/49000/15871
http://dspace.utb.edu.ec/handle/49000/15874
http://dspace.utb.edu.ec/handle/49000/15879
http://dspace.utb.edu.ec/handle/49000/15847
http://dspace.utb.edu.ec/handle/49000/15848
http://dspace.utb.edu.ec/handle/49000/15850
http://dspace.utb.edu.ec/handle/49000/15852
http://dspace.utb.edu.ec/handle/49000/15858
http://dspace.utb.edu.ec/handle/49000/15861
http://dspace.utb.edu.ec/handle/49000/15876
http://dspace.utb.edu.ec/handle/49000/15927
http://dspace.utb.edu.ec/handle/49000/15928
http://dspace.utb.edu.ec/handle/49000/15929
http://dspace.utb.edu.ec/handle/49000/15934
http://dspace.utb.edu.ec/handle/49000/15942
http://dspace.utb.edu.ec/handle/49000/15945
http://dspace.utb.edu.ec/handle/49000/15950
http://dspace.utb.edu.ec/handle/49000/15953
http://dspace.utb.edu.ec/handle/49000/15960
http://dspace.utb.edu.ec/handle/49000/15961
http://dspace.utb.edu.ec/handle/49000/15964
http://dspace.utb.edu.ec/handle/49000/15985
http://dspace.utb.edu.ec/handle/49000/15986
http://dspace.utb.edu.ec/handle/49000/16003
http://dspace.utb.edu.ec/handle/49000/16026
http://dspace.utb.edu.ec/handle/49000/16029
http://dspace.utb.edu.ec/handle/49000/16033
http://dspace.utb.edu.ec/handle/49000/16105
http://dspace.utb.edu.ec/handle/49000/16129
http://dspace.utb.edu.ec/handle/49000/16130
http://dspace.utb.edu.ec/handle/49000/16141
http://dspace.utb.edu.ec/handle/49000/15899
http://dspace.utb.edu.ec/handle/49000/15900
http://dspace.utb.edu.ec/handle/49000/15907
http://dspace.utb.edu.ec/handle/49000/15983
http://dspace.utb.edu.ec/handle/49000/15984
http://dspace.utb.edu.ec/handle/49000/15987
http://dspace.utb.edu.ec/handle/49000/15993
http://dspace.utb.edu.ec/handle/49000/15994
http://dspace.utb.edu.ec/handle/49000/15995
http://dspace.utb.edu.ec/handle/49000/15997
http://dspace.utb.edu.ec/handle/49000/15996
http://dspace.utb.edu.ec/handle/49000/15999
http://dspace.utb.edu.ec/handle/49000/16007
http://dspace.utb.edu.ec/handle/49000/16008
http://dspace.utb.edu.ec/handle/49000/16167
http://dspace.utb.edu.ec/handle/49000/16169
http://dspace.utb.edu.ec/handle/49000/16178
http://dspace.utb.edu.ec/handle/49000/16190
http://dspace.utb.edu.ec/handle/49000/16197
http://dspace.utb.edu.ec/handle/49000/16194
http://dspace.utb.edu.ec/handle/49000/16202
http://dspace.utb.edu.ec/handle/49000/16216
http://dspace.utb.edu.ec/handle/49000/15851
http://dspace.utb.edu.ec/handle/49000/15853
http://dspace.utb.edu.ec/handle/49000/15860
http://dspace.utb.edu.ec/handle/49000/15862
http://dspace.utb.edu.ec/handle/49000/15864
http://dspace.utb.edu.ec/handle/49000/15865
http://dspace.utb.edu.ec/handle/49000/15863
http://dspace.utb.edu.ec/handle/49000/15868
http://dspace.utb.edu.ec/handle/49000/15869
http://dspace.utb.edu.ec/handle/49000/15872
http://dspace.utb.edu.ec/handle/49000/15894
http://dspace.utb.edu.ec/handle/49000/15895
http://dspace.utb.edu.ec/handle/49000/15898
http://dspace.utb.edu.ec/handle/49000/15910
http://dspace.utb.edu.ec/handle/49000/15921
http://dspace.utb.edu.ec/handle/49000/15933
http://dspace.utb.edu.ec/handle/49000/15943
http://dspace.utb.edu.ec/handle/49000/15944
http://dspace.utb.edu.ec/handle/49000/15968
http://dspace.utb.edu.ec/handle/49000/15973
http://dspace.utb.edu.ec/handle/49000/15980
http://dspace.utb.edu.ec/handle/49000/15988
http://dspace.utb.edu.ec/handle/49000/15998
http://dspace.utb.edu.ec/handle/49000/16006
http://dspace.utb.edu.ec/handle/49000/16012
http://dspace.utb.edu.ec/handle/49000/16025
http://dspace.utb.edu.ec/handle/49000/16028
http://dspace.utb.edu.ec/handle/49000/16049
http://dspace.utb.edu.ec/handle/49000/16055
http://dspace.utb.edu.ec/handle/49000/16056
http://dspace.utb.edu.ec/handle/49000/16058
http://dspace.utb.edu.ec/handle/49000/16059
http://dspace.utb.edu.ec/handle/49000/16096
http://dspace.utb.edu.ec/handle/49000/16104
http://dspace.utb.edu.ec/handle/49000/16112
http://dspace.utb.edu.ec/handle/49000/16111
http://dspace.utb.edu.ec/handle/49000/16113
http://dspace.utb.edu.ec/handle/49000/16116
http://dspace.utb.edu.ec/handle/49000/16114
http://dspace.utb.edu.ec/handle/49000/16115
http://dspace.utb.edu.ec/handle/49000/16119
http://dspace.utb.edu.ec/handle/49000/16126
http://dspace.utb.edu.ec/handle/49000/16127
http://dspace.utb.edu.ec/handle/49000/16133
http://dspace.utb.edu.ec/handle/49000/16138
http://dspace.utb.edu.ec/handle/49000/15866
http://dspace.utb.edu.ec/handle/49000/15867
http://dspace.utb.edu.ec/handle/49000/15870
http://dspace.utb.edu.ec/handle/49000/15875
http://dspace.utb.edu.ec/handle/49000/15877
http://dspace.utb.edu.ec/handle/49000/15878
http://dspace.utb.edu.ec/handle/49000/15880
http://dspace.utb.edu.ec/handle/49000/15881
http://dspace.utb.edu.ec/handle/49000/15882
http://dspace.utb.edu.ec/handle/49000/15883
http://dspace.utb.edu.ec/handle/49000/15884
http://dspace.utb.edu.ec/handle/49000/15885
http://dspace.utb.edu.ec/handle/49000/15886
http://dspace.utb.edu.ec/handle/49000/15887
http://dspace.utb.edu.ec/handle/49000/15888
http://dspace.utb.edu.ec/handle/49000/15889
http://dspace.utb.edu.ec/handle/49000/15890
http://dspace.utb.edu.ec/handle/49000/15891
http://dspace.utb.edu.ec/handle/49000/15892
http://dspace.utb.edu.ec/handle/49000/15906
http://dspace.utb.edu.ec/handle/49000/15919
http://dspace.utb.edu.ec/handle/49000/15922
http://dspace.utb.edu.ec/handle/49000/15925
http://dspace.utb.edu.ec/handle/49000/16010
http://dspace.utb.edu.ec/handle/49000/16015
http://dspace.utb.edu.ec/handle/49000/16016
http://dspace.utb.edu.ec/handle/49000/16020
http://dspace.utb.edu.ec/handle/49000/16022
http://dspace.utb.edu.ec/handle/49000/16024
http://dspace.utb.edu.ec/handle/49000/16027
http://dspace.utb.edu.ec/handle/49000/16030
http://dspace.utb.edu.ec/handle/49000/16047
http://dspace.utb.edu.ec/handle/49000/16077
http://dspace.utb.edu.ec/handle/49000/16078
http://dspace.utb.edu.ec/handle/49000/16082
http://dspace.utb.edu.ec/handle/49000/16084
http://dspace.utb.edu.ec/handle/49000/16089
http://dspace.utb.edu.ec/handle/49000/16094
http://dspace.utb.edu.ec/handle/49000/16095
http://dspace.utb.edu.ec/handle/49000/16097
http://dspace.utb.edu.ec/handle/49000/16110
http://dspace.utb.edu.ec/handle/49000/16118
http://dspace.utb.edu.ec/handle/49000/16117
http://dspace.utb.edu.ec/handle/49000/16128
http://dspace.utb.edu.ec/handle/49000/16132
http://dspace.utb.edu.ec/handle/49000/16136
http://dspace.utb.edu.ec/handle/49000/16144
http://dspace.utb.edu.ec/handle/49000/16222
http://dspace.utb.edu.ec/handle/49000/15893
http://dspace.utb.edu.ec/handle/49000/15896
http://dspace.utb.edu.ec/handle/49000/15901
http://dspace.utb.edu.ec/handle/49000/15902
http://dspace.utb.edu.ec/handle/49000/15905
http://dspace.utb.edu.ec/handle/49000/15930
http://dspace.utb.edu.ec/handle/49000/15931
http://dspace.utb.edu.ec/handle/49000/15935
http://dspace.utb.edu.ec/handle/49000/15939
http://dspace.utb.edu.ec/handle/49000/15940
http://dspace.utb.edu.ec/handle/49000/15947
http://dspace.utb.edu.ec/handle/49000/15966
http://dspace.utb.edu.ec/handle/49000/15974
http://dspace.utb.edu.ec/handle/49000/15977
http://dspace.utb.edu.ec/handle/49000/15982
http://dspace.utb.edu.ec/handle/49000/16005
http://dspace.utb.edu.ec/handle/49000/16011
http://dspace.utb.edu.ec/handle/49000/16051
http://dspace.utb.edu.ec/handle/49000/16052
http://dspace.utb.edu.ec/handle/49000/16057
http://dspace.utb.edu.ec/handle/49000/16072
http://dspace.utb.edu.ec/handle/49000/16076
http://dspace.utb.edu.ec/handle/49000/16080
http://dspace.utb.edu.ec/handle/49000/16140
http://dspace.utb.edu.ec/handle/49000/16143
http://dspace.utb.edu.ec/handle/49000/16142
http://dspace.utb.edu.ec/handle/49000/15897
http://dspace.utb.edu.ec/handle/49000/15912
http://dspace.utb.edu.ec/handle/49000/15913
http://dspace.utb.edu.ec/handle/49000/15915
http://dspace.utb.edu.ec/handle/49000/15917
http://dspace.utb.edu.ec/handle/49000/15918
http://dspace.utb.edu.ec/handle/49000/15920
http://dspace.utb.edu.ec/handle/49000/15926
http://dspace.utb.edu.ec/handle/49000/15937
http://dspace.utb.edu.ec/handle/49000/15967
http://dspace.utb.edu.ec/handle/49000/15989
http://dspace.utb.edu.ec/handle/49000/15990
http://dspace.utb.edu.ec/handle/49000/16009
http://dspace.utb.edu.ec/handle/49000/16014
http://dspace.utb.edu.ec/handle/49000/16023
http://dspace.utb.edu.ec/handle/49000/16031
http://dspace.utb.edu.ec/handle/49000/16032
http://dspace.utb.edu.ec/handle/49000/16039
http://dspace.utb.edu.ec/handle/49000/16043
http://dspace.utb.edu.ec/handle/49000/16045
http://dspace.utb.edu.ec/handle/49000/16050
http://dspace.utb.edu.ec/handle/49000/16053
http://dspace.utb.edu.ec/handle/49000/16062
http://dspace.utb.edu.ec/handle/49000/16065
http://dspace.utb.edu.ec/handle/49000/16069
http://dspace.utb.edu.ec/handle/49000/16073
http://dspace.utb.edu.ec/handle/49000/16075
http://dspace.utb.edu.ec/handle/49000/16081
http://dspace.utb.edu.ec/handle/49000/16086
http://dspace.utb.edu.ec/handle/49000/16083
http://dspace.utb.edu.ec/handle/49000/16093
http://dspace.utb.edu.ec/handle/49000/16109
http://dspace.utb.edu.ec/handle/49000/16107
http://dspace.utb.edu.ec/handle/49000/15914
http://dspace.utb.edu.ec/handle/49000/15916
http://dspace.utb.edu.ec/handle/49000/15923
http://dspace.utb.edu.ec/handle/49000/15924
http://dspace.utb.edu.ec/handle/49000/15936
http://dspace.utb.edu.ec/handle/49000/15938
http://dspace.utb.edu.ec/handle/49000/15941
http://dspace.utb.edu.ec/handle/49000/15951
http://dspace.utb.edu.ec/handle/49000/15955
http://dspace.utb.edu.ec/handle/49000/15957
http://dspace.utb.edu.ec/handle/49000/15958
http://dspace.utb.edu.ec/handle/49000/15970
http://dspace.utb.edu.ec/handle/49000/15971
http://dspace.utb.edu.ec/handle/49000/15972
http://dspace.utb.edu.ec/handle/49000/16034
http://dspace.utb.edu.ec/handle/49000/16041
http://dspace.utb.edu.ec/handle/49000/16044
http://dspace.utb.edu.ec/handle/49000/16048
http://dspace.utb.edu.ec/handle/49000/16054
http://dspace.utb.edu.ec/handle/49000/16066
http://dspace.utb.edu.ec/handle/49000/16068
http://dspace.utb.edu.ec/handle/49000/16079
http://dspace.utb.edu.ec/handle/49000/16090
http://dspace.utb.edu.ec/handle/49000/16099
http://dspace.utb.edu.ec/handle/49000/16101
http://dspace.utb.edu.ec/handle/49000/16106
http://dspace.utb.edu.ec/handle/49000/16108
http://dspace.utb.edu.ec/handle/49000/16122
http://dspace.utb.edu.ec/handle/49000/16134
http://dspace.utb.edu.ec/handle/49000/16137
http://dspace.utb.edu.ec/handle/49000/16146
http://dspace.utb.edu.ec/handle/49000/15903
http://dspace.utb.edu.ec/handle/49000/15904
http://dspace.utb.edu.ec/handle/49000/15909
http://dspace.utb.edu.ec/handle/49000/15911
http://dspace.utb.edu.ec/handle/49000/15932
http://dspace.utb.edu.ec/handle/49000/15946
http://dspace.utb.edu.ec/handle/49000/15949
http://dspace.utb.edu.ec/handle/49000/15952
http://dspace.utb.edu.ec/handle/49000/15959
http://dspace.utb.edu.ec/handle/49000/15969
http://dspace.utb.edu.ec/handle/49000/15908
http://dspace.utb.edu.ec/handle/49000/15948
http://dspace.utb.edu.ec/handle/49000/15954
http://dspace.utb.edu.ec/handle/49000/15956
http://dspace.utb.edu.ec/handle/49000/15962
http://dspace.utb.edu.ec/handle/49000/15963
http://dspace.utb.edu.ec/handle/49000/15965
http://dspace.utb.edu.ec/handle/49000/15975
http://dspace.utb.edu.ec/handle/49000/15976
http://dspace.utb.edu.ec/handle/49000/15978
http://dspace.utb.edu.ec/handle/49000/15979
http://dspace.utb.edu.ec/handle/49000/15981
http://dspace.utb.edu.ec/handle/49000/15992
http://dspace.utb.edu.ec/handle/49000/16000
http://dspace.utb.edu.ec/handle/49000/16001
http://dspace.utb.edu.ec/handle/49000/16002
http://dspace.utb.edu.ec/handle/49000/16017
http://dspace.utb.edu.ec/handle/49000/16021
http://dspace.utb.edu.ec/handle/49000/16040
http://dspace.utb.edu.ec/handle/49000/16042
http://dspace.utb.edu.ec/handle/49000/16060
http://dspace.utb.edu.ec/handle/49000/16064
http://dspace.utb.edu.ec/handle/49000/16070
http://dspace.utb.edu.ec/handle/49000/16092
http://dspace.utb.edu.ec/handle/49000/16139
http://dspace.utb.edu.ec/handle/49000/16152
http://dspace.utb.edu.ec/handle/49000/16154
http://dspace.utb.edu.ec/handle/49000/16156
http://dspace.utb.edu.ec/handle/49000/16184
http://dspace.utb.edu.ec/handle/49000/15991
http://dspace.utb.edu.ec/handle/49000/16004
http://dspace.utb.edu.ec/handle/49000/16013
http://dspace.utb.edu.ec/handle/49000/16018
http://dspace.utb.edu.ec/handle/49000/16019
http://dspace.utb.edu.ec/handle/49000/16035
http://dspace.utb.edu.ec/handle/49000/16037
http://dspace.utb.edu.ec/handle/49000/16036
http://dspace.utb.edu.ec/handle/49000/16038
http://dspace.utb.edu.ec/handle/49000/16046
http://dspace.utb.edu.ec/handle/49000/16061