URL List

https://repositorio.upn.edu.pe/handle/11537/31125
https://repositorio.upn.edu.pe/handle/11537/31126
https://repositorio.upn.edu.pe/handle/11537/31127
https://repositorio.upn.edu.pe/handle/11537/31099
https://repositorio.upn.edu.pe/handle/11537/31101
https://repositorio.upn.edu.pe/handle/11537/31102
https://repositorio.upn.edu.pe/handle/11537/31103
https://repositorio.upn.edu.pe/handle/11537/31106
https://repositorio.upn.edu.pe/handle/11537/31108
https://repositorio.upn.edu.pe/handle/11537/31110
https://repositorio.upn.edu.pe/handle/11537/31128
https://repositorio.upn.edu.pe/handle/11537/31129
https://repositorio.upn.edu.pe/handle/11537/31130
https://repositorio.upn.edu.pe/handle/11537/31131
https://repositorio.upn.edu.pe/handle/11537/31132
https://repositorio.upn.edu.pe/handle/11537/31134
https://repositorio.upn.edu.pe/handle/11537/31136
https://repositorio.upn.edu.pe/handle/11537/31137
https://repositorio.upn.edu.pe/handle/11537/31138
https://repositorio.upn.edu.pe/handle/11537/31139
https://repositorio.upn.edu.pe/handle/11537/31141
https://repositorio.upn.edu.pe/handle/11537/31142
https://repositorio.upn.edu.pe/handle/11537/31100
https://repositorio.upn.edu.pe/handle/11537/31104
https://repositorio.upn.edu.pe/handle/11537/31109
https://repositorio.upn.edu.pe/handle/11537/31118
https://repositorio.upn.edu.pe/handle/11537/31119
https://repositorio.upn.edu.pe/handle/11537/31120
https://repositorio.upn.edu.pe/handle/11537/31121
https://repositorio.upn.edu.pe/handle/11537/31133
https://repositorio.upn.edu.pe/handle/11537/31135
https://repositorio.upn.edu.pe/handle/11537/31140
https://repositorio.upn.edu.pe/handle/11537/31149
https://repositorio.upn.edu.pe/handle/11537/31151
https://repositorio.upn.edu.pe/handle/11537/31152
https://repositorio.upn.edu.pe/handle/11537/31154
https://repositorio.upn.edu.pe/handle/11537/31153
https://repositorio.upn.edu.pe/handle/11537/31143
https://repositorio.upn.edu.pe/handle/11537/31144
https://repositorio.upn.edu.pe/handle/11537/31146
https://repositorio.upn.edu.pe/handle/11537/31147
https://repositorio.upn.edu.pe/handle/11537/31148
https://repositorio.upn.edu.pe/handle/11537/31155
https://repositorio.upn.edu.pe/handle/11537/31145
https://repositorio.upn.edu.pe/handle/11537/31150
https://repositorio.upn.edu.pe/handle/11537/31161
https://repositorio.upn.edu.pe/handle/11537/31158
https://repositorio.upn.edu.pe/handle/11537/31176
https://repositorio.upn.edu.pe/handle/11537/31177
https://repositorio.upn.edu.pe/handle/11537/31178
https://repositorio.upn.edu.pe/handle/11537/31179
https://repositorio.upn.edu.pe/handle/11537/31180
https://repositorio.upn.edu.pe/handle/11537/31157
https://repositorio.upn.edu.pe/handle/11537/31160
https://repositorio.upn.edu.pe/handle/11537/31162
https://repositorio.upn.edu.pe/handle/11537/31163
https://repositorio.upn.edu.pe/handle/11537/31164
https://repositorio.upn.edu.pe/handle/11537/31165
https://repositorio.upn.edu.pe/handle/11537/31166
https://repositorio.upn.edu.pe/handle/11537/31167
https://repositorio.upn.edu.pe/handle/11537/31171
https://repositorio.upn.edu.pe/handle/11537/31172
https://repositorio.upn.edu.pe/handle/11537/31174
https://repositorio.upn.edu.pe/handle/11537/31175
https://repositorio.upn.edu.pe/handle/11537/31181
https://repositorio.upn.edu.pe/handle/11537/31182
https://repositorio.upn.edu.pe/handle/11537/31183
https://repositorio.upn.edu.pe/handle/11537/31159
https://repositorio.upn.edu.pe/handle/11537/31168
https://repositorio.upn.edu.pe/handle/11537/31169
https://repositorio.upn.edu.pe/handle/11537/31170
https://repositorio.upn.edu.pe/handle/11537/31173
https://repositorio.upn.edu.pe/handle/11537/31184
https://repositorio.upn.edu.pe/handle/11537/31185
https://repositorio.upn.edu.pe/handle/11537/31186
https://repositorio.upn.edu.pe/handle/11537/31187
https://repositorio.upn.edu.pe/handle/11537/31188
https://repositorio.upn.edu.pe/handle/11537/31190
https://repositorio.upn.edu.pe/handle/11537/31189
https://repositorio.upn.edu.pe/handle/11537/31191
https://repositorio.upn.edu.pe/handle/11537/31192
https://repositorio.upn.edu.pe/handle/11537/31193
https://repositorio.upn.edu.pe/handle/11537/31194
https://repositorio.upn.edu.pe/handle/11537/31156
https://repositorio.upn.edu.pe/handle/11537/31195
https://repositorio.upn.edu.pe/handle/11537/31199
https://repositorio.upn.edu.pe/handle/11537/31200
https://repositorio.upn.edu.pe/handle/11537/31196
https://repositorio.upn.edu.pe/handle/11537/31197
https://repositorio.upn.edu.pe/handle/11537/31201
https://repositorio.upn.edu.pe/handle/11537/31204
https://repositorio.upn.edu.pe/handle/11537/31208
https://repositorio.upn.edu.pe/handle/11537/31209
https://repositorio.upn.edu.pe/handle/11537/31210
https://repositorio.upn.edu.pe/handle/11537/31211
https://repositorio.upn.edu.pe/handle/11537/31212
https://repositorio.upn.edu.pe/handle/11537/31213
https://repositorio.upn.edu.pe/handle/11537/31214
https://repositorio.upn.edu.pe/handle/11537/31215
https://repositorio.upn.edu.pe/handle/11537/31216
https://repositorio.upn.edu.pe/handle/11537/31218
https://repositorio.upn.edu.pe/handle/11537/24148
https://repositorio.upn.edu.pe/handle/11537/24149
https://repositorio.upn.edu.pe/handle/11537/31226
https://repositorio.upn.edu.pe/handle/11537/31234
https://repositorio.upn.edu.pe/handle/11537/31235
https://repositorio.upn.edu.pe/handle/11537/31202
https://repositorio.upn.edu.pe/handle/11537/31203
https://repositorio.upn.edu.pe/handle/11537/31205
https://repositorio.upn.edu.pe/handle/11537/31206
https://repositorio.upn.edu.pe/handle/11537/31207
https://repositorio.upn.edu.pe/handle/11537/31217
https://repositorio.upn.edu.pe/handle/11537/31219
https://repositorio.upn.edu.pe/handle/11537/31220
https://repositorio.upn.edu.pe/handle/11537/31221
https://repositorio.upn.edu.pe/handle/11537/31222
https://repositorio.upn.edu.pe/handle/11537/31223
https://repositorio.upn.edu.pe/handle/11537/31224
https://repositorio.upn.edu.pe/handle/11537/31225
https://repositorio.upn.edu.pe/handle/11537/31227
https://repositorio.upn.edu.pe/handle/11537/31228
https://repositorio.upn.edu.pe/handle/11537/31229
https://repositorio.upn.edu.pe/handle/11537/31230
https://repositorio.upn.edu.pe/handle/11537/31231
https://repositorio.upn.edu.pe/handle/11537/31233
https://repositorio.upn.edu.pe/handle/11537/31236
https://repositorio.upn.edu.pe/handle/11537/31248
https://repositorio.upn.edu.pe/handle/11537/31237
https://repositorio.upn.edu.pe/handle/11537/31238
https://repositorio.upn.edu.pe/handle/11537/31240
https://repositorio.upn.edu.pe/handle/11537/31241
https://repositorio.upn.edu.pe/handle/11537/31242
https://repositorio.upn.edu.pe/handle/11537/31243
https://repositorio.upn.edu.pe/handle/11537/31232
https://repositorio.upn.edu.pe/handle/11537/31250
https://repositorio.upn.edu.pe/handle/11537/31251
https://repositorio.upn.edu.pe/handle/11537/31252
https://repositorio.upn.edu.pe/handle/11537/31253
https://repositorio.upn.edu.pe/handle/11537/31254
https://repositorio.upn.edu.pe/handle/11537/31255
https://repositorio.upn.edu.pe/handle/11537/31257
https://repositorio.upn.edu.pe/handle/11537/31258
https://repositorio.upn.edu.pe/handle/11537/31259
https://repositorio.upn.edu.pe/handle/11537/31261
https://repositorio.upn.edu.pe/handle/11537/31262
https://repositorio.upn.edu.pe/handle/11537/31263
https://repositorio.upn.edu.pe/handle/11537/31264
https://repositorio.upn.edu.pe/handle/11537/31265
https://repositorio.upn.edu.pe/handle/11537/31268
https://repositorio.upn.edu.pe/handle/11537/31267
https://repositorio.upn.edu.pe/handle/11537/31270
https://repositorio.upn.edu.pe/handle/11537/31271
https://repositorio.upn.edu.pe/handle/11537/31272
https://repositorio.upn.edu.pe/handle/11537/31244
https://repositorio.upn.edu.pe/handle/11537/31246
https://repositorio.upn.edu.pe/handle/11537/31245
https://repositorio.upn.edu.pe/handle/11537/31247
https://repositorio.upn.edu.pe/handle/11537/31256
https://repositorio.upn.edu.pe/handle/11537/31260
https://repositorio.upn.edu.pe/handle/11537/31278
https://repositorio.upn.edu.pe/handle/11537/31279
https://repositorio.upn.edu.pe/handle/11537/31280
https://repositorio.upn.edu.pe/handle/11537/31249
https://repositorio.upn.edu.pe/handle/11537/31273
https://repositorio.upn.edu.pe/handle/11537/31274
https://repositorio.upn.edu.pe/handle/11537/31275
https://repositorio.upn.edu.pe/handle/11537/31276
https://repositorio.upn.edu.pe/handle/11537/31277
https://repositorio.upn.edu.pe/handle/11537/31292
https://repositorio.upn.edu.pe/handle/11537/31266
https://repositorio.upn.edu.pe/handle/11537/31269
https://repositorio.upn.edu.pe/handle/11537/31282
https://repositorio.upn.edu.pe/handle/11537/31309
https://repositorio.upn.edu.pe/handle/11537/31310
https://repositorio.upn.edu.pe/handle/11537/31281
https://repositorio.upn.edu.pe/handle/11537/31298
https://repositorio.upn.edu.pe/handle/11537/31299
https://repositorio.upn.edu.pe/handle/11537/31300
https://repositorio.upn.edu.pe/handle/11537/31301
https://repositorio.upn.edu.pe/handle/11537/31302
https://repositorio.upn.edu.pe/handle/11537/31303
https://repositorio.upn.edu.pe/handle/11537/31304
https://repositorio.upn.edu.pe/handle/11537/31305
https://repositorio.upn.edu.pe/handle/11537/31306
https://repositorio.upn.edu.pe/handle/11537/31307
https://repositorio.upn.edu.pe/handle/11537/31308
https://repositorio.upn.edu.pe/handle/11537/31312
https://repositorio.upn.edu.pe/handle/11537/31324
https://repositorio.upn.edu.pe/handle/11537/31325
https://repositorio.upn.edu.pe/handle/11537/31289
https://repositorio.upn.edu.pe/handle/11537/31291
https://repositorio.upn.edu.pe/handle/11537/31311
https://repositorio.upn.edu.pe/handle/11537/31372
https://repositorio.upn.edu.pe/handle/11537/31313
https://repositorio.upn.edu.pe/handle/11537/31314
https://repositorio.upn.edu.pe/handle/11537/31316
https://repositorio.upn.edu.pe/handle/11537/31318
https://repositorio.upn.edu.pe/handle/11537/31317
https://repositorio.upn.edu.pe/handle/11537/31319
https://repositorio.upn.edu.pe/handle/11537/31320
https://repositorio.upn.edu.pe/handle/11537/31322
https://repositorio.upn.edu.pe/handle/11537/31323
https://repositorio.upn.edu.pe/handle/11537/31326
https://repositorio.upn.edu.pe/handle/11537/31327
https://repositorio.upn.edu.pe/handle/11537/31328
https://repositorio.upn.edu.pe/handle/11537/31329
https://repositorio.upn.edu.pe/handle/11537/31330
https://repositorio.upn.edu.pe/handle/11537/31331
https://repositorio.upn.edu.pe/handle/11537/31283
https://repositorio.upn.edu.pe/handle/11537/31285
https://repositorio.upn.edu.pe/handle/11537/31286
https://repositorio.upn.edu.pe/handle/11537/31287
https://repositorio.upn.edu.pe/handle/11537/31288
https://repositorio.upn.edu.pe/handle/11537/31290
https://repositorio.upn.edu.pe/handle/11537/31294
https://repositorio.upn.edu.pe/handle/11537/31295
https://repositorio.upn.edu.pe/handle/11537/31296
https://repositorio.upn.edu.pe/handle/11537/31297
https://repositorio.upn.edu.pe/handle/11537/31315
https://repositorio.upn.edu.pe/handle/11537/31321
https://repositorio.upn.edu.pe/handle/11537/31284
https://repositorio.upn.edu.pe/handle/11537/31335
https://repositorio.upn.edu.pe/handle/11537/31336
https://repositorio.upn.edu.pe/handle/11537/31338
https://repositorio.upn.edu.pe/handle/11537/31340
https://repositorio.upn.edu.pe/handle/11537/31341
https://repositorio.upn.edu.pe/handle/11537/31342
https://repositorio.upn.edu.pe/handle/11537/31344
https://repositorio.upn.edu.pe/handle/11537/31345
https://repositorio.upn.edu.pe/handle/11537/31346
https://repositorio.upn.edu.pe/handle/11537/31347
https://repositorio.upn.edu.pe/handle/11537/31348
https://repositorio.upn.edu.pe/handle/11537/31349
https://repositorio.upn.edu.pe/handle/11537/31350
https://repositorio.upn.edu.pe/handle/11537/31293
https://repositorio.upn.edu.pe/handle/11537/31332
https://repositorio.upn.edu.pe/handle/11537/31333
https://repositorio.upn.edu.pe/handle/11537/31334
https://repositorio.upn.edu.pe/handle/11537/31351
https://repositorio.upn.edu.pe/handle/11537/31352
https://repositorio.upn.edu.pe/handle/11537/31355
https://repositorio.upn.edu.pe/handle/11537/31354
https://repositorio.upn.edu.pe/handle/11537/31356
https://repositorio.upn.edu.pe/handle/11537/31358
https://repositorio.upn.edu.pe/handle/11537/31359
https://repositorio.upn.edu.pe/handle/11537/31362
https://repositorio.upn.edu.pe/handle/11537/31363
https://repositorio.upn.edu.pe/handle/11537/31353
https://repositorio.upn.edu.pe/handle/11537/31360
https://repositorio.upn.edu.pe/handle/11537/31361
https://repositorio.upn.edu.pe/handle/11537/31366
https://repositorio.upn.edu.pe/handle/11537/31337
https://repositorio.upn.edu.pe/handle/11537/31343
https://repositorio.upn.edu.pe/handle/11537/31364
https://repositorio.upn.edu.pe/handle/11537/31365
https://repositorio.upn.edu.pe/handle/11537/31378
https://repositorio.upn.edu.pe/handle/11537/31379
https://repositorio.upn.edu.pe/handle/11537/31380
https://repositorio.upn.edu.pe/handle/11537/31367
https://repositorio.upn.edu.pe/handle/11537/31368
https://repositorio.upn.edu.pe/handle/11537/31369
https://repositorio.upn.edu.pe/handle/11537/31370
https://repositorio.upn.edu.pe/handle/11537/31373
https://repositorio.upn.edu.pe/handle/11537/31374
https://repositorio.upn.edu.pe/handle/11537/31375
https://repositorio.upn.edu.pe/handle/11537/31381
https://repositorio.upn.edu.pe/handle/11537/31382
https://repositorio.upn.edu.pe/handle/11537/31384
https://repositorio.upn.edu.pe/handle/11537/31385
https://repositorio.upn.edu.pe/handle/11537/31357
https://repositorio.upn.edu.pe/handle/11537/31371
https://repositorio.upn.edu.pe/handle/11537/31377
https://repositorio.upn.edu.pe/handle/11537/31391
https://repositorio.upn.edu.pe/handle/11537/31392
https://repositorio.upn.edu.pe/handle/11537/31393
https://repositorio.upn.edu.pe/handle/11537/31395
https://repositorio.upn.edu.pe/handle/11537/31394
https://repositorio.upn.edu.pe/handle/11537/31396
https://repositorio.upn.edu.pe/handle/11537/31397
https://repositorio.upn.edu.pe/handle/11537/31398
https://repositorio.upn.edu.pe/handle/11537/31399
https://repositorio.upn.edu.pe/handle/11537/31400
https://repositorio.upn.edu.pe/handle/11537/31401
https://repositorio.upn.edu.pe/handle/11537/31402
https://repositorio.upn.edu.pe/handle/11537/31403
https://repositorio.upn.edu.pe/handle/11537/31376
https://repositorio.upn.edu.pe/handle/11537/31383
https://repositorio.upn.edu.pe/handle/11537/31386
https://repositorio.upn.edu.pe/handle/11537/31387
https://repositorio.upn.edu.pe/handle/11537/31390
https://repositorio.upn.edu.pe/handle/11537/31405
https://repositorio.upn.edu.pe/handle/11537/31406
https://repositorio.upn.edu.pe/handle/11537/31407
https://repositorio.upn.edu.pe/handle/11537/31408
https://repositorio.upn.edu.pe/handle/11537/31409
https://repositorio.upn.edu.pe/handle/11537/31404
https://repositorio.upn.edu.pe/handle/11537/31415
https://repositorio.upn.edu.pe/handle/11537/31419
https://repositorio.upn.edu.pe/handle/11537/31418
https://repositorio.upn.edu.pe/handle/11537/31388
https://repositorio.upn.edu.pe/handle/11537/31410
https://repositorio.upn.edu.pe/handle/11537/31556
https://repositorio.upn.edu.pe/handle/11537/31411
https://repositorio.upn.edu.pe/handle/11537/31412
https://repositorio.upn.edu.pe/handle/11537/31413
https://repositorio.upn.edu.pe/handle/11537/31416
https://repositorio.upn.edu.pe/handle/11537/31420
https://repositorio.upn.edu.pe/handle/11537/31422
https://repositorio.upn.edu.pe/handle/11537/31423
https://repositorio.upn.edu.pe/handle/11537/31424
https://repositorio.upn.edu.pe/handle/11537/31425
https://repositorio.upn.edu.pe/handle/11537/31426
https://repositorio.upn.edu.pe/handle/11537/31428
https://repositorio.upn.edu.pe/handle/11537/31427
https://repositorio.upn.edu.pe/handle/11537/31389
https://repositorio.upn.edu.pe/handle/11537/31414
https://repositorio.upn.edu.pe/handle/11537/31417
https://repositorio.upn.edu.pe/handle/11537/31421
https://repositorio.upn.edu.pe/handle/11537/31433
https://repositorio.upn.edu.pe/handle/11537/31447
https://repositorio.upn.edu.pe/handle/11537/31448
https://repositorio.upn.edu.pe/handle/11537/31450
https://repositorio.upn.edu.pe/handle/11537/31451
https://repositorio.upn.edu.pe/handle/11537/31452
https://repositorio.upn.edu.pe/handle/11537/31454
https://repositorio.upn.edu.pe/handle/11537/31455
https://repositorio.upn.edu.pe/handle/11537/31456
https://repositorio.upn.edu.pe/handle/11537/31458
https://repositorio.upn.edu.pe/handle/11537/31457
https://repositorio.upn.edu.pe/handle/11537/31459
https://repositorio.upn.edu.pe/handle/11537/31461
https://repositorio.upn.edu.pe/handle/11537/31462
https://repositorio.upn.edu.pe/handle/11537/31463
https://repositorio.upn.edu.pe/handle/11537/31429
https://repositorio.upn.edu.pe/handle/11537/31431
https://repositorio.upn.edu.pe/handle/11537/31432
https://repositorio.upn.edu.pe/handle/11537/31434
https://repositorio.upn.edu.pe/handle/11537/31436
https://repositorio.upn.edu.pe/handle/11537/31437
https://repositorio.upn.edu.pe/handle/11537/31439
https://repositorio.upn.edu.pe/handle/11537/31440
https://repositorio.upn.edu.pe/handle/11537/31442
https://repositorio.upn.edu.pe/handle/11537/31443
https://repositorio.upn.edu.pe/handle/11537/31444
https://repositorio.upn.edu.pe/handle/11537/31445
https://repositorio.upn.edu.pe/handle/11537/31460
https://repositorio.upn.edu.pe/handle/11537/31435
https://repositorio.upn.edu.pe/handle/11537/31438
https://repositorio.upn.edu.pe/handle/11537/31441
https://repositorio.upn.edu.pe/handle/11537/31446
https://repositorio.upn.edu.pe/handle/11537/31449
https://repositorio.upn.edu.pe/handle/11537/31468
https://repositorio.upn.edu.pe/handle/11537/31469
https://repositorio.upn.edu.pe/handle/11537/31470
https://repositorio.upn.edu.pe/handle/11537/31471
https://repositorio.upn.edu.pe/handle/11537/31472
https://repositorio.upn.edu.pe/handle/11537/31474
https://repositorio.upn.edu.pe/handle/11537/31473
https://repositorio.upn.edu.pe/handle/11537/31475
https://repositorio.upn.edu.pe/handle/11537/31476
https://repositorio.upn.edu.pe/handle/11537/31477
https://repositorio.upn.edu.pe/handle/11537/31478
https://repositorio.upn.edu.pe/handle/11537/31479
https://repositorio.upn.edu.pe/handle/11537/31430
https://repositorio.upn.edu.pe/handle/11537/31464
https://repositorio.upn.edu.pe/handle/11537/31465
https://repositorio.upn.edu.pe/handle/11537/31466
https://repositorio.upn.edu.pe/handle/11537/31467
https://repositorio.upn.edu.pe/handle/11537/31480
https://repositorio.upn.edu.pe/handle/11537/31481
https://repositorio.upn.edu.pe/handle/11537/31498
https://repositorio.upn.edu.pe/handle/11537/31499
https://repositorio.upn.edu.pe/handle/11537/31500
https://repositorio.upn.edu.pe/handle/11537/31501
https://repositorio.upn.edu.pe/handle/11537/31482
https://repositorio.upn.edu.pe/handle/11537/31483
https://repositorio.upn.edu.pe/handle/11537/31484
https://repositorio.upn.edu.pe/handle/11537/31485
https://repositorio.upn.edu.pe/handle/11537/31486
https://repositorio.upn.edu.pe/handle/11537/31487
https://repositorio.upn.edu.pe/handle/11537/31488
https://repositorio.upn.edu.pe/handle/11537/31489
https://repositorio.upn.edu.pe/handle/11537/31490
https://repositorio.upn.edu.pe/handle/11537/31491
https://repositorio.upn.edu.pe/handle/11537/31493
https://repositorio.upn.edu.pe/handle/11537/31494
https://repositorio.upn.edu.pe/handle/11537/31495
https://repositorio.upn.edu.pe/handle/11537/31496
https://repositorio.upn.edu.pe/handle/11537/31497
https://repositorio.upn.edu.pe/handle/11537/31503
https://repositorio.upn.edu.pe/handle/11537/31507
https://repositorio.upn.edu.pe/handle/11537/31509
https://repositorio.upn.edu.pe/handle/11537/31510
https://repositorio.upn.edu.pe/handle/11537/31492
https://repositorio.upn.edu.pe/handle/11537/31504
https://repositorio.upn.edu.pe/handle/11537/31516
https://repositorio.upn.edu.pe/handle/11537/31517
https://repositorio.upn.edu.pe/handle/11537/31518
https://repositorio.upn.edu.pe/handle/11537/31519
https://repositorio.upn.edu.pe/handle/11537/31502
https://repositorio.upn.edu.pe/handle/11537/31505
https://repositorio.upn.edu.pe/handle/11537/31506
https://repositorio.upn.edu.pe/handle/11537/31508
https://repositorio.upn.edu.pe/handle/11537/31511
https://repositorio.upn.edu.pe/handle/11537/31512
https://repositorio.upn.edu.pe/handle/11537/31513
https://repositorio.upn.edu.pe/handle/11537/31514
https://repositorio.upn.edu.pe/handle/11537/31515
https://repositorio.upn.edu.pe/handle/11537/31520
https://repositorio.upn.edu.pe/handle/11537/31521
https://repositorio.upn.edu.pe/handle/11537/31523
https://repositorio.upn.edu.pe/handle/11537/31522
https://repositorio.upn.edu.pe/handle/11537/31524
https://repositorio.upn.edu.pe/handle/11537/31527