https://repositorio.upn.edu.pe/handle/11537/41732
https://repositorio.upn.edu.pe/handle/11537/41734
https://repositorio.upn.edu.pe/handle/11537/41736
https://repositorio.upn.edu.pe/handle/11537/41737
https://repositorio.upn.edu.pe/handle/11537/41741
https://repositorio.upn.edu.pe/handle/11537/41738
https://repositorio.upn.edu.pe/handle/11537/41739
https://repositorio.upn.edu.pe/handle/11537/41740
https://repositorio.upn.edu.pe/handle/11537/41743
https://repositorio.upn.edu.pe/handle/11537/41742
https://repositorio.upn.edu.pe/handle/11537/41745
https://repositorio.upn.edu.pe/handle/11537/41746
https://repositorio.upn.edu.pe/handle/11537/41753
https://repositorio.upn.edu.pe/handle/11537/41748
https://repositorio.upn.edu.pe/handle/11537/41749
https://repositorio.upn.edu.pe/handle/11537/41750
https://repositorio.upn.edu.pe/handle/11537/40806
https://repositorio.upn.edu.pe/handle/11537/41718
https://repositorio.upn.edu.pe/handle/11537/41730
https://repositorio.upn.edu.pe/handle/11537/41747
https://repositorio.upn.edu.pe/handle/11537/41751
https://repositorio.upn.edu.pe/handle/11537/41752
https://repositorio.upn.edu.pe/handle/11537/41759
https://repositorio.upn.edu.pe/handle/11537/41757
https://repositorio.upn.edu.pe/handle/11537/41923
https://repositorio.upn.edu.pe/handle/11537/42341
https://repositorio.upn.edu.pe/handle/11537/41755
https://repositorio.upn.edu.pe/handle/11537/41758
https://repositorio.upn.edu.pe/handle/11537/41762
https://repositorio.upn.edu.pe/handle/11537/41760
https://repositorio.upn.edu.pe/handle/11537/41761
https://repositorio.upn.edu.pe/handle/11537/42135
https://repositorio.upn.edu.pe/handle/11537/40818
https://repositorio.upn.edu.pe/handle/11537/41756
https://repositorio.upn.edu.pe/handle/11537/42130
https://repositorio.upn.edu.pe/handle/11537/42133
https://repositorio.upn.edu.pe/handle/11537/42131
https://repositorio.upn.edu.pe/handle/11537/42134
https://repositorio.upn.edu.pe/handle/11537/42676
https://repositorio.upn.edu.pe/handle/11537/42345
https://repositorio.upn.edu.pe/handle/11537/42347
https://repositorio.upn.edu.pe/handle/11537/42348
https://repositorio.upn.edu.pe/handle/11537/42686
https://repositorio.upn.edu.pe/handle/11537/42688
https://repositorio.upn.edu.pe/handle/11537/40807
https://repositorio.upn.edu.pe/handle/11537/40810
https://repositorio.upn.edu.pe/handle/11537/42377
https://repositorio.upn.edu.pe/handle/11537/42136
https://repositorio.upn.edu.pe/handle/11537/42378
https://repositorio.upn.edu.pe/handle/11537/42379
https://repositorio.upn.edu.pe/handle/11537/42381
https://repositorio.upn.edu.pe/handle/11537/42387
https://repositorio.upn.edu.pe/handle/11537/42382
https://repositorio.upn.edu.pe/handle/11537/42383
https://repositorio.upn.edu.pe/handle/11537/42388
https://repositorio.upn.edu.pe/handle/11537/42385
https://repositorio.upn.edu.pe/handle/11537/42391
https://repositorio.upn.edu.pe/handle/11537/42386
https://repositorio.upn.edu.pe/handle/11537/42389
https://repositorio.upn.edu.pe/handle/11537/41924
https://repositorio.upn.edu.pe/handle/11537/41925
https://repositorio.upn.edu.pe/handle/11537/41926
https://repositorio.upn.edu.pe/handle/11537/41927
https://repositorio.upn.edu.pe/handle/11537/41928
https://repositorio.upn.edu.pe/handle/11537/41930
https://repositorio.upn.edu.pe/handle/11537/41929
https://repositorio.upn.edu.pe/handle/11537/41933
https://repositorio.upn.edu.pe/handle/11537/41937
https://repositorio.upn.edu.pe/handle/11537/41942
https://repositorio.upn.edu.pe/handle/11537/41945
https://repositorio.upn.edu.pe/handle/11537/41961
https://repositorio.upn.edu.pe/handle/11537/41970
https://repositorio.upn.edu.pe/handle/11537/41976
https://repositorio.upn.edu.pe/handle/11537/42137
https://repositorio.upn.edu.pe/handle/11537/42346
https://repositorio.upn.edu.pe/handle/11537/42141
https://repositorio.upn.edu.pe/handle/11537/42143
https://repositorio.upn.edu.pe/handle/11537/42144
https://repositorio.upn.edu.pe/handle/11537/40808
https://repositorio.upn.edu.pe/handle/11537/41932
https://repositorio.upn.edu.pe/handle/11537/41935
https://repositorio.upn.edu.pe/handle/11537/41934
https://repositorio.upn.edu.pe/handle/11537/41936
https://repositorio.upn.edu.pe/handle/11537/41940
https://repositorio.upn.edu.pe/handle/11537/41939
https://repositorio.upn.edu.pe/handle/11537/41944
https://repositorio.upn.edu.pe/handle/11537/41947
https://repositorio.upn.edu.pe/handle/11537/41950
https://repositorio.upn.edu.pe/handle/11537/41948
https://repositorio.upn.edu.pe/handle/11537/41949
https://repositorio.upn.edu.pe/handle/11537/41951
https://repositorio.upn.edu.pe/handle/11537/41954
https://repositorio.upn.edu.pe/handle/11537/41955
https://repositorio.upn.edu.pe/handle/11537/41957
https://repositorio.upn.edu.pe/handle/11537/41958
https://repositorio.upn.edu.pe/handle/11537/41959
https://repositorio.upn.edu.pe/handle/11537/41960
https://repositorio.upn.edu.pe/handle/11537/41963
https://repositorio.upn.edu.pe/handle/11537/41931
https://repositorio.upn.edu.pe/handle/11537/41938
https://repositorio.upn.edu.pe/handle/11537/41941
https://repositorio.upn.edu.pe/handle/11537/41943
https://repositorio.upn.edu.pe/handle/11537/41946
https://repositorio.upn.edu.pe/handle/11537/41956
https://repositorio.upn.edu.pe/handle/11537/41971
https://repositorio.upn.edu.pe/handle/11537/41977
https://repositorio.upn.edu.pe/handle/11537/41978
https://repositorio.upn.edu.pe/handle/11537/41980
https://repositorio.upn.edu.pe/handle/11537/42212
https://repositorio.upn.edu.pe/handle/11537/42216
https://repositorio.upn.edu.pe/handle/11537/42138
https://repositorio.upn.edu.pe/handle/11537/42384
https://repositorio.upn.edu.pe/handle/11537/42561
https://repositorio.upn.edu.pe/handle/11537/42560
https://repositorio.upn.edu.pe/handle/11537/42565
https://repositorio.upn.edu.pe/handle/11537/42563
https://repositorio.upn.edu.pe/handle/11537/42564
https://repositorio.upn.edu.pe/handle/11537/42566
https://repositorio.upn.edu.pe/handle/11537/41953
https://repositorio.upn.edu.pe/handle/11537/41952
https://repositorio.upn.edu.pe/handle/11537/41962
https://repositorio.upn.edu.pe/handle/11537/41964
https://repositorio.upn.edu.pe/handle/11537/41965
https://repositorio.upn.edu.pe/handle/11537/41966
https://repositorio.upn.edu.pe/handle/11537/41967
https://repositorio.upn.edu.pe/handle/11537/41969
https://repositorio.upn.edu.pe/handle/11537/41968
https://repositorio.upn.edu.pe/handle/11537/41972
https://repositorio.upn.edu.pe/handle/11537/41973
https://repositorio.upn.edu.pe/handle/11537/41974
https://repositorio.upn.edu.pe/handle/11537/42349
https://repositorio.upn.edu.pe/handle/11537/42380
https://repositorio.upn.edu.pe/handle/11537/42390
https://repositorio.upn.edu.pe/handle/11537/42562
https://repositorio.upn.edu.pe/handle/11537/42567
https://repositorio.upn.edu.pe/handle/11537/42569
https://repositorio.upn.edu.pe/handle/11537/42572
https://repositorio.upn.edu.pe/handle/11537/42574
https://repositorio.upn.edu.pe/handle/11537/41979
https://repositorio.upn.edu.pe/handle/11537/42139
https://repositorio.upn.edu.pe/handle/11537/42151
https://repositorio.upn.edu.pe/handle/11537/42145
https://repositorio.upn.edu.pe/handle/11537/42146
https://repositorio.upn.edu.pe/handle/11537/42152
https://repositorio.upn.edu.pe/handle/11537/42147
https://repositorio.upn.edu.pe/handle/11537/42153
https://repositorio.upn.edu.pe/handle/11537/42148
https://repositorio.upn.edu.pe/handle/11537/42154
https://repositorio.upn.edu.pe/handle/11537/42149
https://repositorio.upn.edu.pe/handle/11537/42155
https://repositorio.upn.edu.pe/handle/11537/42156
https://repositorio.upn.edu.pe/handle/11537/42161
https://repositorio.upn.edu.pe/handle/11537/42157
https://repositorio.upn.edu.pe/handle/11537/42158
https://repositorio.upn.edu.pe/handle/11537/42159
https://repositorio.upn.edu.pe/handle/11537/42162
https://repositorio.upn.edu.pe/handle/11537/42160
https://repositorio.upn.edu.pe/handle/11537/42163
https://repositorio.upn.edu.pe/handle/11537/42166
https://repositorio.upn.edu.pe/handle/11537/41975
https://repositorio.upn.edu.pe/handle/11537/41981
https://repositorio.upn.edu.pe/handle/11537/41982
https://repositorio.upn.edu.pe/handle/11537/41985
https://repositorio.upn.edu.pe/handle/11537/41984
https://repositorio.upn.edu.pe/handle/11537/41986
https://repositorio.upn.edu.pe/handle/11537/41988
https://repositorio.upn.edu.pe/handle/11537/41987
https://repositorio.upn.edu.pe/handle/11537/41989
https://repositorio.upn.edu.pe/handle/11537/41991
https://repositorio.upn.edu.pe/handle/11537/41993
https://repositorio.upn.edu.pe/handle/11537/41992
https://repositorio.upn.edu.pe/handle/11537/41994
https://repositorio.upn.edu.pe/handle/11537/41995
https://repositorio.upn.edu.pe/handle/11537/41996
https://repositorio.upn.edu.pe/handle/11537/42007
https://repositorio.upn.edu.pe/handle/11537/41998
https://repositorio.upn.edu.pe/handle/11537/41997
https://repositorio.upn.edu.pe/handle/11537/42009
https://repositorio.upn.edu.pe/handle/11537/41999
https://repositorio.upn.edu.pe/handle/11537/42010
https://repositorio.upn.edu.pe/handle/11537/40809
https://repositorio.upn.edu.pe/handle/11537/41983
https://repositorio.upn.edu.pe/handle/11537/41990
https://repositorio.upn.edu.pe/handle/11537/42000
https://repositorio.upn.edu.pe/handle/11537/42008
https://repositorio.upn.edu.pe/handle/11537/42012
https://repositorio.upn.edu.pe/handle/11537/42017
https://repositorio.upn.edu.pe/handle/11537/42026
https://repositorio.upn.edu.pe/handle/11537/42028
https://repositorio.upn.edu.pe/handle/11537/42032
https://repositorio.upn.edu.pe/handle/11537/42150
https://repositorio.upn.edu.pe/handle/11537/40811
https://repositorio.upn.edu.pe/handle/11537/40823
https://repositorio.upn.edu.pe/handle/11537/42140
https://repositorio.upn.edu.pe/handle/11537/42213
https://repositorio.upn.edu.pe/handle/11537/42214
https://repositorio.upn.edu.pe/handle/11537/42218
https://repositorio.upn.edu.pe/handle/11537/42230
https://repositorio.upn.edu.pe/handle/11537/42215
https://repositorio.upn.edu.pe/handle/11537/42231
https://repositorio.upn.edu.pe/handle/11537/42217
https://repositorio.upn.edu.pe/handle/11537/42220
https://repositorio.upn.edu.pe/handle/11537/42222
https://repositorio.upn.edu.pe/handle/11537/42221
https://repositorio.upn.edu.pe/handle/11537/42233
https://repositorio.upn.edu.pe/handle/11537/42234
https://repositorio.upn.edu.pe/handle/11537/42235
https://repositorio.upn.edu.pe/handle/11537/42224
https://repositorio.upn.edu.pe/handle/11537/42225
https://repositorio.upn.edu.pe/handle/11537/42226
https://repositorio.upn.edu.pe/handle/11537/42237
https://repositorio.upn.edu.pe/handle/11537/42227
https://repositorio.upn.edu.pe/handle/11537/42239
https://repositorio.upn.edu.pe/handle/11537/42001
https://repositorio.upn.edu.pe/handle/11537/42005
https://repositorio.upn.edu.pe/handle/11537/42004
https://repositorio.upn.edu.pe/handle/11537/42011
https://repositorio.upn.edu.pe/handle/11537/42003
https://repositorio.upn.edu.pe/handle/11537/42006
https://repositorio.upn.edu.pe/handle/11537/42014
https://repositorio.upn.edu.pe/handle/11537/42013
https://repositorio.upn.edu.pe/handle/11537/42015
https://repositorio.upn.edu.pe/handle/11537/42027
https://repositorio.upn.edu.pe/handle/11537/42022
https://repositorio.upn.edu.pe/handle/11537/42025
https://repositorio.upn.edu.pe/handle/11537/42016
https://repositorio.upn.edu.pe/handle/11537/42018
https://repositorio.upn.edu.pe/handle/11537/42019
https://repositorio.upn.edu.pe/handle/11537/42020
https://repositorio.upn.edu.pe/handle/11537/42023
https://repositorio.upn.edu.pe/handle/11537/42021
https://repositorio.upn.edu.pe/handle/11537/42024
https://repositorio.upn.edu.pe/handle/11537/42002
https://repositorio.upn.edu.pe/handle/11537/42029
https://repositorio.upn.edu.pe/handle/11537/42164
https://repositorio.upn.edu.pe/handle/11537/42165
https://repositorio.upn.edu.pe/handle/11537/42228
https://repositorio.upn.edu.pe/handle/11537/42236
https://repositorio.upn.edu.pe/handle/11537/42256
https://repositorio.upn.edu.pe/handle/11537/42257
https://repositorio.upn.edu.pe/handle/11537/42264
https://repositorio.upn.edu.pe/handle/11537/42259
https://repositorio.upn.edu.pe/handle/11537/42261
https://repositorio.upn.edu.pe/handle/11537/42262
https://repositorio.upn.edu.pe/handle/11537/42263
https://repositorio.upn.edu.pe/handle/11537/42266
https://repositorio.upn.edu.pe/handle/11537/42265
https://repositorio.upn.edu.pe/handle/11537/40813
https://repositorio.upn.edu.pe/handle/11537/42033
https://repositorio.upn.edu.pe/handle/11537/42034
https://repositorio.upn.edu.pe/handle/11537/42035
https://repositorio.upn.edu.pe/handle/11537/42219
https://repositorio.upn.edu.pe/handle/11537/42223
https://repositorio.upn.edu.pe/handle/11537/42232
https://repositorio.upn.edu.pe/handle/11537/42240
https://repositorio.upn.edu.pe/handle/11537/42229
https://repositorio.upn.edu.pe/handle/11537/42238
https://repositorio.upn.edu.pe/handle/11537/42242
https://repositorio.upn.edu.pe/handle/11537/42241
https://repositorio.upn.edu.pe/handle/11537/42244
https://repositorio.upn.edu.pe/handle/11537/42246
https://repositorio.upn.edu.pe/handle/11537/42248
https://repositorio.upn.edu.pe/handle/11537/42249
https://repositorio.upn.edu.pe/handle/11537/42250
https://repositorio.upn.edu.pe/handle/11537/42253
https://repositorio.upn.edu.pe/handle/11537/40812
https://repositorio.upn.edu.pe/handle/11537/40821
https://repositorio.upn.edu.pe/handle/11537/42030
https://repositorio.upn.edu.pe/handle/11537/42031
https://repositorio.upn.edu.pe/handle/11537/42245
https://repositorio.upn.edu.pe/handle/11537/42243
https://repositorio.upn.edu.pe/handle/11537/42247
https://repositorio.upn.edu.pe/handle/11537/42252
https://repositorio.upn.edu.pe/handle/11537/42260
https://repositorio.upn.edu.pe/handle/11537/42267
https://repositorio.upn.edu.pe/handle/11537/42269
https://repositorio.upn.edu.pe/handle/11537/42270
https://repositorio.upn.edu.pe/handle/11537/42277
https://repositorio.upn.edu.pe/handle/11537/42271
https://repositorio.upn.edu.pe/handle/11537/42167
https://repositorio.upn.edu.pe/handle/11537/42176
https://repositorio.upn.edu.pe/handle/11537/42169
https://repositorio.upn.edu.pe/handle/11537/42177
https://repositorio.upn.edu.pe/handle/11537/40814
https://repositorio.upn.edu.pe/handle/11537/42179
https://repositorio.upn.edu.pe/handle/11537/42254
https://repositorio.upn.edu.pe/handle/11537/42255
https://repositorio.upn.edu.pe/handle/11537/42258
https://repositorio.upn.edu.pe/handle/11537/42291
https://repositorio.upn.edu.pe/handle/11537/42393
https://repositorio.upn.edu.pe/handle/11537/42392
https://repositorio.upn.edu.pe/handle/11537/42395
https://repositorio.upn.edu.pe/handle/11537/42394
https://repositorio.upn.edu.pe/handle/11537/42397
https://repositorio.upn.edu.pe/handle/11537/42398
https://repositorio.upn.edu.pe/handle/11537/42399
https://repositorio.upn.edu.pe/handle/11537/42396
https://repositorio.upn.edu.pe/handle/11537/42400
https://repositorio.upn.edu.pe/handle/11537/42401
https://repositorio.upn.edu.pe/handle/11537/42571
https://repositorio.upn.edu.pe/handle/11537/42568
https://repositorio.upn.edu.pe/handle/11537/42570
https://repositorio.upn.edu.pe/handle/11537/40815
https://repositorio.upn.edu.pe/handle/11537/40819
https://repositorio.upn.edu.pe/handle/11537/42168
https://repositorio.upn.edu.pe/handle/11537/42178
https://repositorio.upn.edu.pe/handle/11537/42170
https://repositorio.upn.edu.pe/handle/11537/42172
https://repositorio.upn.edu.pe/handle/11537/42181
https://repositorio.upn.edu.pe/handle/11537/42173
https://repositorio.upn.edu.pe/handle/11537/42174
https://repositorio.upn.edu.pe/handle/11537/42175
https://repositorio.upn.edu.pe/handle/11537/42196
https://repositorio.upn.edu.pe/handle/11537/42191
https://repositorio.upn.edu.pe/handle/11537/42184
https://repositorio.upn.edu.pe/handle/11537/42197
https://repositorio.upn.edu.pe/handle/11537/42187
https://repositorio.upn.edu.pe/handle/11537/42188
https://repositorio.upn.edu.pe/handle/11537/42189
https://repositorio.upn.edu.pe/handle/11537/40817
https://repositorio.upn.edu.pe/handle/11537/42171
https://repositorio.upn.edu.pe/handle/11537/42182
https://repositorio.upn.edu.pe/handle/11537/42183
https://repositorio.upn.edu.pe/handle/11537/42185
https://repositorio.upn.edu.pe/handle/11537/42186
https://repositorio.upn.edu.pe/handle/11537/42190
https://repositorio.upn.edu.pe/handle/11537/42199
https://repositorio.upn.edu.pe/handle/11537/42194
https://repositorio.upn.edu.pe/handle/11537/42205
https://repositorio.upn.edu.pe/handle/11537/42209
https://repositorio.upn.edu.pe/handle/11537/42211
https://repositorio.upn.edu.pe/handle/11537/42251
https://repositorio.upn.edu.pe/handle/11537/42268
https://repositorio.upn.edu.pe/handle/11537/42278
https://repositorio.upn.edu.pe/handle/11537/42272
https://repositorio.upn.edu.pe/handle/11537/42273
https://repositorio.upn.edu.pe/handle/11537/42280
https://repositorio.upn.edu.pe/handle/11537/42282
https://repositorio.upn.edu.pe/handle/11537/42274
https://repositorio.upn.edu.pe/handle/11537/42275
https://repositorio.upn.edu.pe/handle/11537/40816
https://repositorio.upn.edu.pe/handle/11537/42180
https://repositorio.upn.edu.pe/handle/11537/42198
https://repositorio.upn.edu.pe/handle/11537/42192
https://repositorio.upn.edu.pe/handle/11537/42193
https://repositorio.upn.edu.pe/handle/11537/42201
https://repositorio.upn.edu.pe/handle/11537/42204
https://repositorio.upn.edu.pe/handle/11537/42200
https://repositorio.upn.edu.pe/handle/11537/42203
https://repositorio.upn.edu.pe/handle/11537/42206
https://repositorio.upn.edu.pe/handle/11537/42208
https://repositorio.upn.edu.pe/handle/11537/42210
https://repositorio.upn.edu.pe/handle/11537/42276
https://repositorio.upn.edu.pe/handle/11537/42285
https://repositorio.upn.edu.pe/handle/11537/42279
https://repositorio.upn.edu.pe/handle/11537/42289
https://repositorio.upn.edu.pe/handle/11537/42288
https://repositorio.upn.edu.pe/handle/11537/42402
https://repositorio.upn.edu.pe/handle/11537/42579
https://repositorio.upn.edu.pe/handle/11537/42627
https://repositorio.upn.edu.pe/handle/11537/40820
https://repositorio.upn.edu.pe/handle/11537/42195
https://repositorio.upn.edu.pe/handle/11537/42207
https://repositorio.upn.edu.pe/handle/11537/42281
https://repositorio.upn.edu.pe/handle/11537/42284
https://repositorio.upn.edu.pe/handle/11537/42283
https://repositorio.upn.edu.pe/handle/11537/42287
https://repositorio.upn.edu.pe/handle/11537/42286
https://repositorio.upn.edu.pe/handle/11537/42290
https://repositorio.upn.edu.pe/handle/11537/42293
https://repositorio.upn.edu.pe/handle/11537/42295
https://repositorio.upn.edu.pe/handle/11537/42297
https://repositorio.upn.edu.pe/handle/11537/42298
https://repositorio.upn.edu.pe/handle/11537/42299
https://repositorio.upn.edu.pe/handle/11537/42202
https://repositorio.upn.edu.pe/handle/11537/42292
https://repositorio.upn.edu.pe/handle/11537/42294
https://repositorio.upn.edu.pe/handle/11537/42296
https://repositorio.upn.edu.pe/handle/11537/42577
https://repositorio.upn.edu.pe/handle/11537/42608
https://repositorio.upn.edu.pe/handle/11537/42595
https://repositorio.upn.edu.pe/handle/11537/42598
https://repositorio.upn.edu.pe/handle/11537/42602
https://repositorio.upn.edu.pe/handle/11537/42683
https://repositorio.upn.edu.pe/handle/11537/42684
https://repositorio.upn.edu.pe/handle/11537/42303
https://repositorio.upn.edu.pe/handle/11537/42300
https://repositorio.upn.edu.pe/handle/11537/42304
https://repositorio.upn.edu.pe/handle/11537/42302
https://repositorio.upn.edu.pe/handle/11537/42306
https://repositorio.upn.edu.pe/handle/11537/42305
https://repositorio.upn.edu.pe/handle/11537/42301
https://repositorio.upn.edu.pe/handle/11537/42312
https://repositorio.upn.edu.pe/handle/11537/42573
https://repositorio.upn.edu.pe/handle/11537/42575
https://repositorio.upn.edu.pe/handle/11537/42578
https://repositorio.upn.edu.pe/handle/11537/42581
https://repositorio.upn.edu.pe/handle/11537/42582
https://repositorio.upn.edu.pe/handle/11537/42584
https://repositorio.upn.edu.pe/handle/11537/42587
https://repositorio.upn.edu.pe/handle/11537/42586
https://repositorio.upn.edu.pe/handle/11537/42585
https://repositorio.upn.edu.pe/handle/11537/42610
https://repositorio.upn.edu.pe/handle/11537/42588
https://repositorio.upn.edu.pe/handle/11537/42612
https://repositorio.upn.edu.pe/handle/11537/42590
https://repositorio.upn.edu.pe/handle/11537/42591
https://repositorio.upn.edu.pe/handle/11537/42589
https://repositorio.upn.edu.pe/handle/11537/42592
https://repositorio.upn.edu.pe/handle/11537/42307
https://repositorio.upn.edu.pe/handle/11537/42313
https://repositorio.upn.edu.pe/handle/11537/42314
https://repositorio.upn.edu.pe/handle/11537/42308
https://repositorio.upn.edu.pe/handle/11537/42310