URL List

https://repositorio.upn.edu.pe/handle/11537/31820
https://repositorio.upn.edu.pe/handle/11537/31840
https://repositorio.upn.edu.pe/handle/11537/31842
https://repositorio.upn.edu.pe/handle/11537/31844
https://repositorio.upn.edu.pe/handle/11537/31845
https://repositorio.upn.edu.pe/handle/11537/31846
https://repositorio.upn.edu.pe/handle/11537/31848
https://repositorio.upn.edu.pe/handle/11537/31849
https://repositorio.upn.edu.pe/handle/11537/31851
https://repositorio.upn.edu.pe/handle/11537/31852
https://repositorio.upn.edu.pe/handle/11537/31853
https://repositorio.upn.edu.pe/handle/11537/31833
https://repositorio.upn.edu.pe/handle/11537/31835
https://repositorio.upn.edu.pe/handle/11537/31836
https://repositorio.upn.edu.pe/handle/11537/31837
https://repositorio.upn.edu.pe/handle/11537/31838
https://repositorio.upn.edu.pe/handle/11537/31839
https://repositorio.upn.edu.pe/handle/11537/31847
https://repositorio.upn.edu.pe/handle/11537/31850
https://repositorio.upn.edu.pe/handle/11537/31857
https://repositorio.upn.edu.pe/handle/11537/31855
https://repositorio.upn.edu.pe/handle/11537/31854
https://repositorio.upn.edu.pe/handle/11537/31856
https://repositorio.upn.edu.pe/handle/11537/31859
https://repositorio.upn.edu.pe/handle/11537/31860
https://repositorio.upn.edu.pe/handle/11537/31861
https://repositorio.upn.edu.pe/handle/11537/31862
https://repositorio.upn.edu.pe/handle/11537/31863
https://repositorio.upn.edu.pe/handle/11537/31864
https://repositorio.upn.edu.pe/handle/11537/31858
https://repositorio.upn.edu.pe/handle/11537/31865
https://repositorio.upn.edu.pe/handle/11537/31866
https://repositorio.upn.edu.pe/handle/11537/31867
https://repositorio.upn.edu.pe/handle/11537/31868
https://repositorio.upn.edu.pe/handle/11537/31869
https://repositorio.upn.edu.pe/handle/11537/31870
https://repositorio.upn.edu.pe/handle/11537/31871
https://repositorio.upn.edu.pe/handle/11537/31872
https://repositorio.upn.edu.pe/handle/11537/31873
https://repositorio.upn.edu.pe/handle/11537/31874
https://repositorio.upn.edu.pe/handle/11537/31875
https://repositorio.upn.edu.pe/handle/11537/31878
https://repositorio.upn.edu.pe/handle/11537/31879
https://repositorio.upn.edu.pe/handle/11537/31889
https://repositorio.upn.edu.pe/handle/11537/31890
https://repositorio.upn.edu.pe/handle/11537/31876
https://repositorio.upn.edu.pe/handle/11537/31877
https://repositorio.upn.edu.pe/handle/11537/31880
https://repositorio.upn.edu.pe/handle/11537/31881
https://repositorio.upn.edu.pe/handle/11537/31882
https://repositorio.upn.edu.pe/handle/11537/31883
https://repositorio.upn.edu.pe/handle/11537/31884
https://repositorio.upn.edu.pe/handle/11537/31885
https://repositorio.upn.edu.pe/handle/11537/31886
https://repositorio.upn.edu.pe/handle/11537/31887
https://repositorio.upn.edu.pe/handle/11537/31888
https://repositorio.upn.edu.pe/handle/11537/31891
https://repositorio.upn.edu.pe/handle/11537/24145
https://repositorio.upn.edu.pe/handle/11537/31892
https://repositorio.upn.edu.pe/handle/11537/31893
https://repositorio.upn.edu.pe/handle/11537/31894
https://repositorio.upn.edu.pe/handle/11537/31895
https://repositorio.upn.edu.pe/handle/11537/31896
https://repositorio.upn.edu.pe/handle/11537/31897
https://repositorio.upn.edu.pe/handle/11537/31898
https://repositorio.upn.edu.pe/handle/11537/31899
https://repositorio.upn.edu.pe/handle/11537/31902
https://repositorio.upn.edu.pe/handle/11537/31901
https://repositorio.upn.edu.pe/handle/11537/31903
https://repositorio.upn.edu.pe/handle/11537/31904
https://repositorio.upn.edu.pe/handle/11537/31907
https://repositorio.upn.edu.pe/handle/11537/31912
https://repositorio.upn.edu.pe/handle/11537/31909
https://repositorio.upn.edu.pe/handle/11537/31910
https://repositorio.upn.edu.pe/handle/11537/31911
https://repositorio.upn.edu.pe/handle/11537/31913
https://repositorio.upn.edu.pe/handle/11537/31981
https://repositorio.upn.edu.pe/handle/11537/31914
https://repositorio.upn.edu.pe/handle/11537/31915
https://repositorio.upn.edu.pe/handle/11537/31916
https://repositorio.upn.edu.pe/handle/11537/31917
https://repositorio.upn.edu.pe/handle/11537/31918
https://repositorio.upn.edu.pe/handle/11537/31919
https://repositorio.upn.edu.pe/handle/11537/31900
https://repositorio.upn.edu.pe/handle/11537/31906
https://repositorio.upn.edu.pe/handle/11537/31905
https://repositorio.upn.edu.pe/handle/11537/31908
https://repositorio.upn.edu.pe/handle/11537/31920
https://repositorio.upn.edu.pe/handle/11537/31921
https://repositorio.upn.edu.pe/handle/11537/31922
https://repositorio.upn.edu.pe/handle/11537/31923
https://repositorio.upn.edu.pe/handle/11537/31925
https://repositorio.upn.edu.pe/handle/11537/31926
https://repositorio.upn.edu.pe/handle/11537/31927
https://repositorio.upn.edu.pe/handle/11537/31928
https://repositorio.upn.edu.pe/handle/11537/31929
https://repositorio.upn.edu.pe/handle/11537/31931
https://repositorio.upn.edu.pe/handle/11537/31932
https://repositorio.upn.edu.pe/handle/11537/31935
https://repositorio.upn.edu.pe/handle/11537/31936
https://repositorio.upn.edu.pe/handle/11537/31924
https://repositorio.upn.edu.pe/handle/11537/31930
https://repositorio.upn.edu.pe/handle/11537/31933
https://repositorio.upn.edu.pe/handle/11537/31934
https://repositorio.upn.edu.pe/handle/11537/31937
https://repositorio.upn.edu.pe/handle/11537/31938
https://repositorio.upn.edu.pe/handle/11537/31939
https://repositorio.upn.edu.pe/handle/11537/31940
https://repositorio.upn.edu.pe/handle/11537/31960
https://repositorio.upn.edu.pe/handle/11537/31941
https://repositorio.upn.edu.pe/handle/11537/31942
https://repositorio.upn.edu.pe/handle/11537/31943
https://repositorio.upn.edu.pe/handle/11537/31944
https://repositorio.upn.edu.pe/handle/11537/31946
https://repositorio.upn.edu.pe/handle/11537/31947
https://repositorio.upn.edu.pe/handle/11537/31948
https://repositorio.upn.edu.pe/handle/11537/31953
https://repositorio.upn.edu.pe/handle/11537/31950
https://repositorio.upn.edu.pe/handle/11537/31951
https://repositorio.upn.edu.pe/handle/11537/31952
https://repositorio.upn.edu.pe/handle/11537/31955
https://repositorio.upn.edu.pe/handle/11537/31957
https://repositorio.upn.edu.pe/handle/11537/31956
https://repositorio.upn.edu.pe/handle/11537/31958
https://repositorio.upn.edu.pe/handle/11537/31966
https://repositorio.upn.edu.pe/handle/11537/31967
https://repositorio.upn.edu.pe/handle/11537/31954
https://repositorio.upn.edu.pe/handle/11537/31959
https://repositorio.upn.edu.pe/handle/11537/31961
https://repositorio.upn.edu.pe/handle/11537/31962
https://repositorio.upn.edu.pe/handle/11537/31963
https://repositorio.upn.edu.pe/handle/11537/31964
https://repositorio.upn.edu.pe/handle/11537/31965
https://repositorio.upn.edu.pe/handle/11537/31978
https://repositorio.upn.edu.pe/handle/11537/31945
https://repositorio.upn.edu.pe/handle/11537/31949
https://repositorio.upn.edu.pe/handle/11537/31968
https://repositorio.upn.edu.pe/handle/11537/31969
https://repositorio.upn.edu.pe/handle/11537/31970
https://repositorio.upn.edu.pe/handle/11537/31971
https://repositorio.upn.edu.pe/handle/11537/31972
https://repositorio.upn.edu.pe/handle/11537/31974
https://repositorio.upn.edu.pe/handle/11537/31973
https://repositorio.upn.edu.pe/handle/11537/31975
https://repositorio.upn.edu.pe/handle/11537/31976
https://repositorio.upn.edu.pe/handle/11537/31977
https://repositorio.upn.edu.pe/handle/11537/31979
https://repositorio.upn.edu.pe/handle/11537/31980
https://repositorio.upn.edu.pe/handle/11537/31982
https://repositorio.upn.edu.pe/handle/11537/31983
https://repositorio.upn.edu.pe/handle/11537/31984
https://repositorio.upn.edu.pe/handle/11537/31985
https://repositorio.upn.edu.pe/handle/11537/31986
https://repositorio.upn.edu.pe/handle/11537/31988
https://repositorio.upn.edu.pe/handle/11537/31990
https://repositorio.upn.edu.pe/handle/11537/31991
https://repositorio.upn.edu.pe/handle/11537/31992
https://repositorio.upn.edu.pe/handle/11537/31993
https://repositorio.upn.edu.pe/handle/11537/31994
https://repositorio.upn.edu.pe/handle/11537/31995
https://repositorio.upn.edu.pe/handle/11537/32001
https://repositorio.upn.edu.pe/handle/11537/31998
https://repositorio.upn.edu.pe/handle/11537/31999
https://repositorio.upn.edu.pe/handle/11537/32000
https://repositorio.upn.edu.pe/handle/11537/31987
https://repositorio.upn.edu.pe/handle/11537/31989
https://repositorio.upn.edu.pe/handle/11537/31996
https://repositorio.upn.edu.pe/handle/11537/31997
https://repositorio.upn.edu.pe/handle/11537/32002
https://repositorio.upn.edu.pe/handle/11537/32003
https://repositorio.upn.edu.pe/handle/11537/32004
https://repositorio.upn.edu.pe/handle/11537/32005
https://repositorio.upn.edu.pe/handle/11537/32006
https://repositorio.upn.edu.pe/handle/11537/32007
https://repositorio.upn.edu.pe/handle/11537/32008
https://repositorio.upn.edu.pe/handle/11537/32009
https://repositorio.upn.edu.pe/handle/11537/32010
https://repositorio.upn.edu.pe/handle/11537/32011
https://repositorio.upn.edu.pe/handle/11537/32012
https://repositorio.upn.edu.pe/handle/11537/32013
https://repositorio.upn.edu.pe/handle/11537/32014
https://repositorio.upn.edu.pe/handle/11537/32015
https://repositorio.upn.edu.pe/handle/11537/32016
https://repositorio.upn.edu.pe/handle/11537/32018
https://repositorio.upn.edu.pe/handle/11537/32020
https://repositorio.upn.edu.pe/handle/11537/32021
https://repositorio.upn.edu.pe/handle/11537/32023
https://repositorio.upn.edu.pe/handle/11537/32024
https://repositorio.upn.edu.pe/handle/11537/32025
https://repositorio.upn.edu.pe/handle/11537/32026
https://repositorio.upn.edu.pe/handle/11537/32027
https://repositorio.upn.edu.pe/handle/11537/32039
https://repositorio.upn.edu.pe/handle/11537/32028
https://repositorio.upn.edu.pe/handle/11537/32029
https://repositorio.upn.edu.pe/handle/11537/32031
https://repositorio.upn.edu.pe/handle/11537/32030
https://repositorio.upn.edu.pe/handle/11537/32017
https://repositorio.upn.edu.pe/handle/11537/32019
https://repositorio.upn.edu.pe/handle/11537/32022
https://repositorio.upn.edu.pe/handle/11537/32032
https://repositorio.upn.edu.pe/handle/11537/32041
https://repositorio.upn.edu.pe/handle/11537/32033
https://repositorio.upn.edu.pe/handle/11537/32034
https://repositorio.upn.edu.pe/handle/11537/32035
https://repositorio.upn.edu.pe/handle/11537/32036
https://repositorio.upn.edu.pe/handle/11537/32037
https://repositorio.upn.edu.pe/handle/11537/32038
https://repositorio.upn.edu.pe/handle/11537/32040
https://repositorio.upn.edu.pe/handle/11537/32043
https://repositorio.upn.edu.pe/handle/11537/32051
https://repositorio.upn.edu.pe/handle/11537/32042
https://repositorio.upn.edu.pe/handle/11537/32044
https://repositorio.upn.edu.pe/handle/11537/32045
https://repositorio.upn.edu.pe/handle/11537/32046
https://repositorio.upn.edu.pe/handle/11537/32047
https://repositorio.upn.edu.pe/handle/11537/32048
https://repositorio.upn.edu.pe/handle/11537/32049
https://repositorio.upn.edu.pe/handle/11537/32050
https://repositorio.upn.edu.pe/handle/11537/32056
https://repositorio.upn.edu.pe/handle/11537/32058
https://repositorio.upn.edu.pe/handle/11537/32059
https://repositorio.upn.edu.pe/handle/11537/32060
https://repositorio.upn.edu.pe/handle/11537/32061
https://repositorio.upn.edu.pe/handle/11537/32052
https://repositorio.upn.edu.pe/handle/11537/32053
https://repositorio.upn.edu.pe/handle/11537/32054
https://repositorio.upn.edu.pe/handle/11537/32055
https://repositorio.upn.edu.pe/handle/11537/32062
https://repositorio.upn.edu.pe/handle/11537/32063
https://repositorio.upn.edu.pe/handle/11537/32064
https://repositorio.upn.edu.pe/handle/11537/32065
https://repositorio.upn.edu.pe/handle/11537/32066
https://repositorio.upn.edu.pe/handle/11537/32067
https://repositorio.upn.edu.pe/handle/11537/32068
https://repositorio.upn.edu.pe/handle/11537/32057
https://repositorio.upn.edu.pe/handle/11537/32079
https://repositorio.upn.edu.pe/handle/11537/32080
https://repositorio.upn.edu.pe/handle/11537/32081
https://repositorio.upn.edu.pe/handle/11537/32082
https://repositorio.upn.edu.pe/handle/11537/32083
https://repositorio.upn.edu.pe/handle/11537/32085
https://repositorio.upn.edu.pe/handle/11537/32084
https://repositorio.upn.edu.pe/handle/11537/32086
https://repositorio.upn.edu.pe/handle/11537/32088
https://repositorio.upn.edu.pe/handle/11537/32093
https://repositorio.upn.edu.pe/handle/11537/32095
https://repositorio.upn.edu.pe/handle/11537/32096
https://repositorio.upn.edu.pe/handle/11537/32069
https://repositorio.upn.edu.pe/handle/11537/32071
https://repositorio.upn.edu.pe/handle/11537/32072
https://repositorio.upn.edu.pe/handle/11537/32074
https://repositorio.upn.edu.pe/handle/11537/32076
https://repositorio.upn.edu.pe/handle/11537/32077
https://repositorio.upn.edu.pe/handle/11537/32078
https://repositorio.upn.edu.pe/handle/11537/32087
https://repositorio.upn.edu.pe/handle/11537/32090
https://repositorio.upn.edu.pe/handle/11537/32091
https://repositorio.upn.edu.pe/handle/11537/32092
https://repositorio.upn.edu.pe/handle/11537/32094
https://repositorio.upn.edu.pe/handle/11537/32100
https://repositorio.upn.edu.pe/handle/11537/32102
https://repositorio.upn.edu.pe/handle/11537/32089
https://repositorio.upn.edu.pe/handle/11537/32103
https://repositorio.upn.edu.pe/handle/11537/32111
https://repositorio.upn.edu.pe/handle/11537/32115
https://repositorio.upn.edu.pe/handle/11537/32116
https://repositorio.upn.edu.pe/handle/11537/32117
https://repositorio.upn.edu.pe/handle/11537/32118
https://repositorio.upn.edu.pe/handle/11537/32119
https://repositorio.upn.edu.pe/handle/11537/32121
https://repositorio.upn.edu.pe/handle/11537/32122
https://repositorio.upn.edu.pe/handle/11537/32123
https://repositorio.upn.edu.pe/handle/11537/32125
https://repositorio.upn.edu.pe/handle/11537/32126
https://repositorio.upn.edu.pe/handle/11537/32128
https://repositorio.upn.edu.pe/handle/11537/32129
https://repositorio.upn.edu.pe/handle/11537/32131
https://repositorio.upn.edu.pe/handle/11537/32133
https://repositorio.upn.edu.pe/handle/11537/32134
https://repositorio.upn.edu.pe/handle/11537/32070
https://repositorio.upn.edu.pe/handle/11537/32073
https://repositorio.upn.edu.pe/handle/11537/32097
https://repositorio.upn.edu.pe/handle/11537/32098
https://repositorio.upn.edu.pe/handle/11537/32099
https://repositorio.upn.edu.pe/handle/11537/32104
https://repositorio.upn.edu.pe/handle/11537/32105
https://repositorio.upn.edu.pe/handle/11537/32106
https://repositorio.upn.edu.pe/handle/11537/32108
https://repositorio.upn.edu.pe/handle/11537/32109
https://repositorio.upn.edu.pe/handle/11537/32110
https://repositorio.upn.edu.pe/handle/11537/32112
https://repositorio.upn.edu.pe/handle/11537/32113
https://repositorio.upn.edu.pe/handle/11537/32114
https://repositorio.upn.edu.pe/handle/11537/32124
https://repositorio.upn.edu.pe/handle/11537/32130
https://repositorio.upn.edu.pe/handle/11537/32132
https://repositorio.upn.edu.pe/handle/11537/32101
https://repositorio.upn.edu.pe/handle/11537/32107
https://repositorio.upn.edu.pe/handle/11537/32120
https://repositorio.upn.edu.pe/handle/11537/32127
https://repositorio.upn.edu.pe/handle/11537/32146
https://repositorio.upn.edu.pe/handle/11537/32147
https://repositorio.upn.edu.pe/handle/11537/32148
https://repositorio.upn.edu.pe/handle/11537/32135
https://repositorio.upn.edu.pe/handle/11537/32136
https://repositorio.upn.edu.pe/handle/11537/32137
https://repositorio.upn.edu.pe/handle/11537/32138
https://repositorio.upn.edu.pe/handle/11537/32140
https://repositorio.upn.edu.pe/handle/11537/32141
https://repositorio.upn.edu.pe/handle/11537/32144
https://repositorio.upn.edu.pe/handle/11537/32149
https://repositorio.upn.edu.pe/handle/11537/32150
https://repositorio.upn.edu.pe/handle/11537/32152
https://repositorio.upn.edu.pe/handle/11537/32156
https://repositorio.upn.edu.pe/handle/11537/32139
https://repositorio.upn.edu.pe/handle/11537/32142
https://repositorio.upn.edu.pe/handle/11537/32143
https://repositorio.upn.edu.pe/handle/11537/32145
https://repositorio.upn.edu.pe/handle/11537/32153
https://repositorio.upn.edu.pe/handle/11537/32160
https://repositorio.upn.edu.pe/handle/11537/32172
https://repositorio.upn.edu.pe/handle/11537/32173
https://repositorio.upn.edu.pe/handle/11537/32174
https://repositorio.upn.edu.pe/handle/11537/32154
https://repositorio.upn.edu.pe/handle/11537/32157
https://repositorio.upn.edu.pe/handle/11537/32158
https://repositorio.upn.edu.pe/handle/11537/32161
https://repositorio.upn.edu.pe/handle/11537/32162
https://repositorio.upn.edu.pe/handle/11537/32164
https://repositorio.upn.edu.pe/handle/11537/32163
https://repositorio.upn.edu.pe/handle/11537/32165
https://repositorio.upn.edu.pe/handle/11537/32166
https://repositorio.upn.edu.pe/handle/11537/32168
https://repositorio.upn.edu.pe/handle/11537/32169
https://repositorio.upn.edu.pe/handle/11537/32170
https://repositorio.upn.edu.pe/handle/11537/32171
https://repositorio.upn.edu.pe/handle/11537/32178
https://repositorio.upn.edu.pe/handle/11537/32159
https://repositorio.upn.edu.pe/handle/11537/32167
https://repositorio.upn.edu.pe/handle/11537/32175
https://repositorio.upn.edu.pe/handle/11537/32177
https://repositorio.upn.edu.pe/handle/11537/32179
https://repositorio.upn.edu.pe/handle/11537/32182
https://repositorio.upn.edu.pe/handle/11537/32185
https://repositorio.upn.edu.pe/handle/11537/32186
https://repositorio.upn.edu.pe/handle/11537/32187
https://repositorio.upn.edu.pe/handle/11537/32188
https://repositorio.upn.edu.pe/handle/11537/32191
https://repositorio.upn.edu.pe/handle/11537/32189
https://repositorio.upn.edu.pe/handle/11537/32190
https://repositorio.upn.edu.pe/handle/11537/32192
https://repositorio.upn.edu.pe/handle/11537/32193
https://repositorio.upn.edu.pe/handle/11537/32196
https://repositorio.upn.edu.pe/handle/11537/32198
https://repositorio.upn.edu.pe/handle/11537/32151
https://repositorio.upn.edu.pe/handle/11537/32176
https://repositorio.upn.edu.pe/handle/11537/32180
https://repositorio.upn.edu.pe/handle/11537/32183
https://repositorio.upn.edu.pe/handle/11537/32184
https://repositorio.upn.edu.pe/handle/11537/32194
https://repositorio.upn.edu.pe/handle/11537/32200
https://repositorio.upn.edu.pe/handle/11537/32155
https://repositorio.upn.edu.pe/handle/11537/32181
https://repositorio.upn.edu.pe/handle/11537/32195
https://repositorio.upn.edu.pe/handle/11537/32197
https://repositorio.upn.edu.pe/handle/11537/32199
https://repositorio.upn.edu.pe/handle/11537/32201
https://repositorio.upn.edu.pe/handle/11537/32203
https://repositorio.upn.edu.pe/handle/11537/32202
https://repositorio.upn.edu.pe/handle/11537/32205
https://repositorio.upn.edu.pe/handle/11537/32206
https://repositorio.upn.edu.pe/handle/11537/32208
https://repositorio.upn.edu.pe/handle/11537/32209
https://repositorio.upn.edu.pe/handle/11537/32210
https://repositorio.upn.edu.pe/handle/11537/32211
https://repositorio.upn.edu.pe/handle/11537/32212
https://repositorio.upn.edu.pe/handle/11537/32214
https://repositorio.upn.edu.pe/handle/11537/32216
https://repositorio.upn.edu.pe/handle/11537/32220
https://repositorio.upn.edu.pe/handle/11537/32221
https://repositorio.upn.edu.pe/handle/11537/32222
https://repositorio.upn.edu.pe/handle/11537/32223
https://repositorio.upn.edu.pe/handle/11537/32204
https://repositorio.upn.edu.pe/handle/11537/32207
https://repositorio.upn.edu.pe/handle/11537/32213
https://repositorio.upn.edu.pe/handle/11537/32215
https://repositorio.upn.edu.pe/handle/11537/32217
https://repositorio.upn.edu.pe/handle/11537/32218
https://repositorio.upn.edu.pe/handle/11537/32219
https://repositorio.upn.edu.pe/handle/11537/32430
https://repositorio.upn.edu.pe/handle/11537/32233
https://repositorio.upn.edu.pe/handle/11537/32234
https://repositorio.upn.edu.pe/handle/11537/32235
https://repositorio.upn.edu.pe/handle/11537/32238
https://repositorio.upn.edu.pe/handle/11537/32239
https://repositorio.upn.edu.pe/handle/11537/32241
https://repositorio.upn.edu.pe/handle/11537/32224
https://repositorio.upn.edu.pe/handle/11537/32225
https://repositorio.upn.edu.pe/handle/11537/32226
https://repositorio.upn.edu.pe/handle/11537/32227
https://repositorio.upn.edu.pe/handle/11537/32228
https://repositorio.upn.edu.pe/handle/11537/32230
https://repositorio.upn.edu.pe/handle/11537/32236
https://repositorio.upn.edu.pe/handle/11537/32237
https://repositorio.upn.edu.pe/handle/11537/32242
https://repositorio.upn.edu.pe/handle/11537/32244
https://repositorio.upn.edu.pe/handle/11537/32229
https://repositorio.upn.edu.pe/handle/11537/32232
https://repositorio.upn.edu.pe/handle/11537/32240
https://repositorio.upn.edu.pe/handle/11537/32243
https://repositorio.upn.edu.pe/handle/11537/32245
https://repositorio.upn.edu.pe/handle/11537/32246
https://repositorio.upn.edu.pe/handle/11537/32247
https://repositorio.upn.edu.pe/handle/11537/32248