URL List

https://repositorio.upn.edu.pe/handle/11537/26312
https://repositorio.upn.edu.pe/handle/11537/26316
https://repositorio.upn.edu.pe/handle/11537/26314
https://repositorio.upn.edu.pe/handle/11537/26315
https://repositorio.upn.edu.pe/handle/11537/26317
https://repositorio.upn.edu.pe/handle/11537/26318
https://repositorio.upn.edu.pe/handle/11537/26324
https://repositorio.upn.edu.pe/handle/11537/26321
https://repositorio.upn.edu.pe/handle/11537/26325
https://repositorio.upn.edu.pe/handle/11537/26326
https://repositorio.upn.edu.pe/handle/11537/27912
https://repositorio.upn.edu.pe/handle/11537/26352
https://repositorio.upn.edu.pe/handle/11537/26355
https://repositorio.upn.edu.pe/handle/11537/26362
https://repositorio.upn.edu.pe/handle/11537/26364
https://repositorio.upn.edu.pe/handle/11537/26368
https://repositorio.upn.edu.pe/handle/11537/26375
https://repositorio.upn.edu.pe/handle/11537/26328
https://repositorio.upn.edu.pe/handle/11537/26329
https://repositorio.upn.edu.pe/handle/11537/26330
https://repositorio.upn.edu.pe/handle/11537/26334
https://repositorio.upn.edu.pe/handle/11537/26343
https://repositorio.upn.edu.pe/handle/11537/26348
https://repositorio.upn.edu.pe/handle/11537/26358
https://repositorio.upn.edu.pe/handle/11537/26367
https://repositorio.upn.edu.pe/handle/11537/26369
https://repositorio.upn.edu.pe/handle/11537/26336
https://repositorio.upn.edu.pe/handle/11537/26331
https://repositorio.upn.edu.pe/handle/11537/26332
https://repositorio.upn.edu.pe/handle/11537/26333
https://repositorio.upn.edu.pe/handle/11537/26335
https://repositorio.upn.edu.pe/handle/11537/26392
https://repositorio.upn.edu.pe/handle/11537/26406
https://repositorio.upn.edu.pe/handle/11537/26414
https://repositorio.upn.edu.pe/handle/11537/26413
https://repositorio.upn.edu.pe/handle/11537/26415
https://repositorio.upn.edu.pe/handle/11537/26416
https://repositorio.upn.edu.pe/handle/11537/26417
https://repositorio.upn.edu.pe/handle/11537/26418
https://repositorio.upn.edu.pe/handle/11537/26419
https://repositorio.upn.edu.pe/handle/11537/26420
https://repositorio.upn.edu.pe/handle/11537/26424
https://repositorio.upn.edu.pe/handle/11537/26422
https://repositorio.upn.edu.pe/handle/11537/26423
https://repositorio.upn.edu.pe/handle/11537/26426
https://repositorio.upn.edu.pe/handle/11537/26425
https://repositorio.upn.edu.pe/handle/11537/26427
https://repositorio.upn.edu.pe/handle/11537/26428
https://repositorio.upn.edu.pe/handle/11537/26377
https://repositorio.upn.edu.pe/handle/11537/26378
https://repositorio.upn.edu.pe/handle/11537/26379
https://repositorio.upn.edu.pe/handle/11537/26380
https://repositorio.upn.edu.pe/handle/11537/26381
https://repositorio.upn.edu.pe/handle/11537/26383
https://repositorio.upn.edu.pe/handle/11537/26384
https://repositorio.upn.edu.pe/handle/11537/26385
https://repositorio.upn.edu.pe/handle/11537/26386
https://repositorio.upn.edu.pe/handle/11537/26387
https://repositorio.upn.edu.pe/handle/11537/26388
https://repositorio.upn.edu.pe/handle/11537/26389
https://repositorio.upn.edu.pe/handle/11537/26391
https://repositorio.upn.edu.pe/handle/11537/26421
https://repositorio.upn.edu.pe/handle/11537/26429
https://repositorio.upn.edu.pe/handle/11537/26432
https://repositorio.upn.edu.pe/handle/11537/26438
https://repositorio.upn.edu.pe/handle/11537/26439
https://repositorio.upn.edu.pe/handle/11537/26444
https://repositorio.upn.edu.pe/handle/11537/26446
https://repositorio.upn.edu.pe/handle/11537/26448
https://repositorio.upn.edu.pe/handle/11537/26449
https://repositorio.upn.edu.pe/handle/11537/26450
https://repositorio.upn.edu.pe/handle/11537/26452
https://repositorio.upn.edu.pe/handle/11537/26453
https://repositorio.upn.edu.pe/handle/11537/26455
https://repositorio.upn.edu.pe/handle/11537/26456
https://repositorio.upn.edu.pe/handle/11537/26458
https://repositorio.upn.edu.pe/handle/11537/26430
https://repositorio.upn.edu.pe/handle/11537/26431
https://repositorio.upn.edu.pe/handle/11537/26434
https://repositorio.upn.edu.pe/handle/11537/26433
https://repositorio.upn.edu.pe/handle/11537/26435
https://repositorio.upn.edu.pe/handle/11537/26436
https://repositorio.upn.edu.pe/handle/11537/26437
https://repositorio.upn.edu.pe/handle/11537/26409
https://repositorio.upn.edu.pe/handle/11537/26405
https://repositorio.upn.edu.pe/handle/11537/26407
https://repositorio.upn.edu.pe/handle/11537/26408
https://repositorio.upn.edu.pe/handle/11537/26410
https://repositorio.upn.edu.pe/handle/11537/26411
https://repositorio.upn.edu.pe/handle/11537/26412
https://repositorio.upn.edu.pe/handle/11537/26451
https://repositorio.upn.edu.pe/handle/11537/26454
https://repositorio.upn.edu.pe/handle/11537/26457
https://repositorio.upn.edu.pe/handle/11537/26473
https://repositorio.upn.edu.pe/handle/11537/26478
https://repositorio.upn.edu.pe/handle/11537/26440
https://repositorio.upn.edu.pe/handle/11537/26441
https://repositorio.upn.edu.pe/handle/11537/26442
https://repositorio.upn.edu.pe/handle/11537/26443
https://repositorio.upn.edu.pe/handle/11537/26445
https://repositorio.upn.edu.pe/handle/11537/26447
https://repositorio.upn.edu.pe/handle/11537/26475
https://repositorio.upn.edu.pe/handle/11537/26476
https://repositorio.upn.edu.pe/handle/11537/26477
https://repositorio.upn.edu.pe/handle/11537/26480
https://repositorio.upn.edu.pe/handle/11537/26481
https://repositorio.upn.edu.pe/handle/11537/26493
https://repositorio.upn.edu.pe/handle/11537/26495
https://repositorio.upn.edu.pe/handle/11537/26498
https://repositorio.upn.edu.pe/handle/11537/26499
https://repositorio.upn.edu.pe/handle/11537/26508
https://repositorio.upn.edu.pe/handle/11537/26509
https://repositorio.upn.edu.pe/handle/11537/26459
https://repositorio.upn.edu.pe/handle/11537/26461
https://repositorio.upn.edu.pe/handle/11537/26462
https://repositorio.upn.edu.pe/handle/11537/26460
https://repositorio.upn.edu.pe/handle/11537/26465
https://repositorio.upn.edu.pe/handle/11537/26474
https://repositorio.upn.edu.pe/handle/11537/26479
https://repositorio.upn.edu.pe/handle/11537/26516
https://repositorio.upn.edu.pe/handle/11537/26482
https://repositorio.upn.edu.pe/handle/11537/26484
https://repositorio.upn.edu.pe/handle/11537/26486
https://repositorio.upn.edu.pe/handle/11537/26485
https://repositorio.upn.edu.pe/handle/11537/26487
https://repositorio.upn.edu.pe/handle/11537/26488
https://repositorio.upn.edu.pe/handle/11537/26489
https://repositorio.upn.edu.pe/handle/11537/26490
https://repositorio.upn.edu.pe/handle/11537/26492
https://repositorio.upn.edu.pe/handle/11537/26491
https://repositorio.upn.edu.pe/handle/11537/26494
https://repositorio.upn.edu.pe/handle/11537/26496
https://repositorio.upn.edu.pe/handle/11537/26463
https://repositorio.upn.edu.pe/handle/11537/26464
https://repositorio.upn.edu.pe/handle/11537/26466
https://repositorio.upn.edu.pe/handle/11537/26467
https://repositorio.upn.edu.pe/handle/11537/26468
https://repositorio.upn.edu.pe/handle/11537/26469
https://repositorio.upn.edu.pe/handle/11537/26470
https://repositorio.upn.edu.pe/handle/11537/26471
https://repositorio.upn.edu.pe/handle/11537/26472
https://repositorio.upn.edu.pe/handle/11537/26532
https://repositorio.upn.edu.pe/handle/11537/26518
https://repositorio.upn.edu.pe/handle/11537/26525
https://repositorio.upn.edu.pe/handle/11537/26530
https://repositorio.upn.edu.pe/handle/11537/26531
https://repositorio.upn.edu.pe/handle/11537/26533
https://repositorio.upn.edu.pe/handle/11537/26534
https://repositorio.upn.edu.pe/handle/11537/26517
https://repositorio.upn.edu.pe/handle/11537/26510
https://repositorio.upn.edu.pe/handle/11537/26506
https://repositorio.upn.edu.pe/handle/11537/26507
https://repositorio.upn.edu.pe/handle/11537/26535
https://repositorio.upn.edu.pe/handle/11537/26520
https://repositorio.upn.edu.pe/handle/11537/26504
https://repositorio.upn.edu.pe/handle/11537/26538
https://repositorio.upn.edu.pe/handle/11537/26539
https://repositorio.upn.edu.pe/handle/11537/26541
https://repositorio.upn.edu.pe/handle/11537/26549
https://repositorio.upn.edu.pe/handle/11537/26550
https://repositorio.upn.edu.pe/handle/11537/26553
https://repositorio.upn.edu.pe/handle/11537/26558
https://repositorio.upn.edu.pe/handle/11537/26576
https://repositorio.upn.edu.pe/handle/11537/26577
https://repositorio.upn.edu.pe/handle/11537/26503
https://repositorio.upn.edu.pe/handle/11537/26505
https://repositorio.upn.edu.pe/handle/11537/26511
https://repositorio.upn.edu.pe/handle/11537/26512
https://repositorio.upn.edu.pe/handle/11537/26513
https://repositorio.upn.edu.pe/handle/11537/26514
https://repositorio.upn.edu.pe/handle/11537/26515
https://repositorio.upn.edu.pe/handle/11537/26523
https://repositorio.upn.edu.pe/handle/11537/26527
https://repositorio.upn.edu.pe/handle/11537/26528
https://repositorio.upn.edu.pe/handle/11537/26529
https://repositorio.upn.edu.pe/handle/11537/26519
https://repositorio.upn.edu.pe/handle/11537/26526
https://repositorio.upn.edu.pe/handle/11537/26536
https://repositorio.upn.edu.pe/handle/11537/26537
https://repositorio.upn.edu.pe/handle/11537/26540
https://repositorio.upn.edu.pe/handle/11537/26522
https://repositorio.upn.edu.pe/handle/11537/26524
https://repositorio.upn.edu.pe/handle/11537/26542
https://repositorio.upn.edu.pe/handle/11537/26559
https://repositorio.upn.edu.pe/handle/11537/26575
https://repositorio.upn.edu.pe/handle/11537/26607
https://repositorio.upn.edu.pe/handle/11537/26623
https://repositorio.upn.edu.pe/handle/11537/26631
https://repositorio.upn.edu.pe/handle/11537/26640
https://repositorio.upn.edu.pe/handle/11537/26641
https://repositorio.upn.edu.pe/handle/11537/26642
https://repositorio.upn.edu.pe/handle/11537/26643
https://repositorio.upn.edu.pe/handle/11537/26644
https://repositorio.upn.edu.pe/handle/11537/26645
https://repositorio.upn.edu.pe/handle/11537/26646
https://repositorio.upn.edu.pe/handle/11537/26647
https://repositorio.upn.edu.pe/handle/11537/26543
https://repositorio.upn.edu.pe/handle/11537/26544
https://repositorio.upn.edu.pe/handle/11537/26545
https://repositorio.upn.edu.pe/handle/11537/26546
https://repositorio.upn.edu.pe/handle/11537/26548
https://repositorio.upn.edu.pe/handle/11537/26571
https://repositorio.upn.edu.pe/handle/11537/26578
https://repositorio.upn.edu.pe/handle/11537/26547
https://repositorio.upn.edu.pe/handle/11537/26554
https://repositorio.upn.edu.pe/handle/11537/26555
https://repositorio.upn.edu.pe/handle/11537/26566
https://repositorio.upn.edu.pe/handle/11537/26605
https://repositorio.upn.edu.pe/handle/11537/26608
https://repositorio.upn.edu.pe/handle/11537/26609
https://repositorio.upn.edu.pe/handle/11537/26610
https://repositorio.upn.edu.pe/handle/11537/26611
https://repositorio.upn.edu.pe/handle/11537/26612
https://repositorio.upn.edu.pe/handle/11537/26615
https://repositorio.upn.edu.pe/handle/11537/26617
https://repositorio.upn.edu.pe/handle/11537/26562
https://repositorio.upn.edu.pe/handle/11537/26572
https://repositorio.upn.edu.pe/handle/11537/26556
https://repositorio.upn.edu.pe/handle/11537/26557
https://repositorio.upn.edu.pe/handle/11537/26560
https://repositorio.upn.edu.pe/handle/11537/26561
https://repositorio.upn.edu.pe/handle/11537/26563
https://repositorio.upn.edu.pe/handle/11537/26564
https://repositorio.upn.edu.pe/handle/11537/26565
https://repositorio.upn.edu.pe/handle/11537/26583
https://repositorio.upn.edu.pe/handle/11537/26567
https://repositorio.upn.edu.pe/handle/11537/26568
https://repositorio.upn.edu.pe/handle/11537/26569
https://repositorio.upn.edu.pe/handle/11537/26570
https://repositorio.upn.edu.pe/handle/11537/26573
https://repositorio.upn.edu.pe/handle/11537/26574
https://repositorio.upn.edu.pe/handle/11537/26616
https://repositorio.upn.edu.pe/handle/11537/26619
https://repositorio.upn.edu.pe/handle/11537/26630
https://repositorio.upn.edu.pe/handle/11537/26632
https://repositorio.upn.edu.pe/handle/11537/26633
https://repositorio.upn.edu.pe/handle/11537/26636
https://repositorio.upn.edu.pe/handle/11537/26637
https://repositorio.upn.edu.pe/handle/11537/26638
https://repositorio.upn.edu.pe/handle/11537/26661
https://repositorio.upn.edu.pe/handle/11537/26669
https://repositorio.upn.edu.pe/handle/11537/26682
https://repositorio.upn.edu.pe/handle/11537/29874
https://repositorio.upn.edu.pe/handle/11537/26684
https://repositorio.upn.edu.pe/handle/11537/26613
https://repositorio.upn.edu.pe/handle/11537/26614
https://repositorio.upn.edu.pe/handle/11537/26618
https://repositorio.upn.edu.pe/handle/11537/26635
https://repositorio.upn.edu.pe/handle/11537/26639
https://repositorio.upn.edu.pe/handle/11537/26663
https://repositorio.upn.edu.pe/handle/11537/26668
https://repositorio.upn.edu.pe/handle/11537/26670
https://repositorio.upn.edu.pe/handle/11537/26624
https://repositorio.upn.edu.pe/handle/11537/26665
https://repositorio.upn.edu.pe/handle/11537/26625
https://repositorio.upn.edu.pe/handle/11537/26626
https://repositorio.upn.edu.pe/handle/11537/26666
https://repositorio.upn.edu.pe/handle/11537/26687
https://repositorio.upn.edu.pe/handle/11537/26692
https://repositorio.upn.edu.pe/handle/11537/26696
https://repositorio.upn.edu.pe/handle/11537/26664
https://repositorio.upn.edu.pe/handle/11537/26671
https://repositorio.upn.edu.pe/handle/11537/26685
https://repositorio.upn.edu.pe/handle/11537/29863
https://repositorio.upn.edu.pe/handle/11537/26689
https://repositorio.upn.edu.pe/handle/11537/26695
https://repositorio.upn.edu.pe/handle/11537/26697
https://repositorio.upn.edu.pe/handle/11537/26698
https://repositorio.upn.edu.pe/handle/11537/26672
https://repositorio.upn.edu.pe/handle/11537/26694
https://repositorio.upn.edu.pe/handle/11537/26717
https://repositorio.upn.edu.pe/handle/11537/26721
https://repositorio.upn.edu.pe/handle/11537/24135
https://repositorio.upn.edu.pe/handle/11537/26673
https://repositorio.upn.edu.pe/handle/11537/26674
https://repositorio.upn.edu.pe/handle/11537/26678
https://repositorio.upn.edu.pe/handle/11537/26679
https://repositorio.upn.edu.pe/handle/11537/26680
https://repositorio.upn.edu.pe/handle/11537/26691
https://repositorio.upn.edu.pe/handle/11537/26699
https://repositorio.upn.edu.pe/handle/11537/26700
https://repositorio.upn.edu.pe/handle/11537/26701
https://repositorio.upn.edu.pe/handle/11537/26702
https://repositorio.upn.edu.pe/handle/11537/26690
https://repositorio.upn.edu.pe/handle/11537/26715
https://repositorio.upn.edu.pe/handle/11537/26749
https://repositorio.upn.edu.pe/handle/11537/26770
https://repositorio.upn.edu.pe/handle/11537/26771
https://repositorio.upn.edu.pe/handle/11537/26772
https://repositorio.upn.edu.pe/handle/11537/26774
https://repositorio.upn.edu.pe/handle/11537/26775
https://repositorio.upn.edu.pe/handle/11537/26796
https://repositorio.upn.edu.pe/handle/11537/26797
https://repositorio.upn.edu.pe/handle/11537/26703
https://repositorio.upn.edu.pe/handle/11537/26704
https://repositorio.upn.edu.pe/handle/11537/26706
https://repositorio.upn.edu.pe/handle/11537/26707
https://repositorio.upn.edu.pe/handle/11537/26716
https://repositorio.upn.edu.pe/handle/11537/26718
https://repositorio.upn.edu.pe/handle/11537/26720
https://repositorio.upn.edu.pe/handle/11537/26722
https://repositorio.upn.edu.pe/handle/11537/26747
https://repositorio.upn.edu.pe/handle/11537/26754
https://repositorio.upn.edu.pe/handle/11537/26773
https://repositorio.upn.edu.pe/handle/11537/26723
https://repositorio.upn.edu.pe/handle/11537/26724
https://repositorio.upn.edu.pe/handle/11537/26725
https://repositorio.upn.edu.pe/handle/11537/26726
https://repositorio.upn.edu.pe/handle/11537/26764
https://repositorio.upn.edu.pe/handle/11537/26827
https://repositorio.upn.edu.pe/handle/11537/26835
https://repositorio.upn.edu.pe/handle/11537/26748
https://repositorio.upn.edu.pe/handle/11537/26750
https://repositorio.upn.edu.pe/handle/11537/26777
https://repositorio.upn.edu.pe/handle/11537/26795
https://repositorio.upn.edu.pe/handle/11537/26751
https://repositorio.upn.edu.pe/handle/11537/26776
https://repositorio.upn.edu.pe/handle/11537/26844
https://repositorio.upn.edu.pe/handle/11537/26869
https://repositorio.upn.edu.pe/handle/11537/26870
https://repositorio.upn.edu.pe/handle/11537/26875
https://repositorio.upn.edu.pe/handle/11537/26881
https://repositorio.upn.edu.pe/handle/11537/26828
https://repositorio.upn.edu.pe/handle/11537/26829
https://repositorio.upn.edu.pe/handle/11537/26830
https://repositorio.upn.edu.pe/handle/11537/26836
https://repositorio.upn.edu.pe/handle/11537/26838
https://repositorio.upn.edu.pe/handle/11537/26839
https://repositorio.upn.edu.pe/handle/11537/26840
https://repositorio.upn.edu.pe/handle/11537/26842
https://repositorio.upn.edu.pe/handle/11537/26857
https://repositorio.upn.edu.pe/handle/11537/26864
https://repositorio.upn.edu.pe/handle/11537/26865
https://repositorio.upn.edu.pe/handle/11537/26866
https://repositorio.upn.edu.pe/handle/11537/26867
https://repositorio.upn.edu.pe/handle/11537/26868
https://repositorio.upn.edu.pe/handle/11537/26872
https://repositorio.upn.edu.pe/handle/11537/26876
https://repositorio.upn.edu.pe/handle/11537/26877
https://repositorio.upn.edu.pe/handle/11537/26832
https://repositorio.upn.edu.pe/handle/11537/26833
https://repositorio.upn.edu.pe/handle/11537/26834
https://repositorio.upn.edu.pe/handle/11537/26837
https://repositorio.upn.edu.pe/handle/11537/26841
https://repositorio.upn.edu.pe/handle/11537/26871
https://repositorio.upn.edu.pe/handle/11537/26873
https://repositorio.upn.edu.pe/handle/11537/26874
https://repositorio.upn.edu.pe/handle/11537/26878
https://repositorio.upn.edu.pe/handle/11537/26888
https://repositorio.upn.edu.pe/handle/11537/26890
https://repositorio.upn.edu.pe/handle/11537/26899
https://repositorio.upn.edu.pe/handle/11537/26920
https://repositorio.upn.edu.pe/handle/11537/26938
https://repositorio.upn.edu.pe/handle/11537/26949
https://repositorio.upn.edu.pe/handle/11537/26952
https://repositorio.upn.edu.pe/handle/11537/26879
https://repositorio.upn.edu.pe/handle/11537/26880
https://repositorio.upn.edu.pe/handle/11537/26885
https://repositorio.upn.edu.pe/handle/11537/26886
https://repositorio.upn.edu.pe/handle/11537/26887
https://repositorio.upn.edu.pe/handle/11537/26889
https://repositorio.upn.edu.pe/handle/11537/26893
https://repositorio.upn.edu.pe/handle/11537/26894
https://repositorio.upn.edu.pe/handle/11537/26895
https://repositorio.upn.edu.pe/handle/11537/26896
https://repositorio.upn.edu.pe/handle/11537/26897
https://repositorio.upn.edu.pe/handle/11537/26898
https://repositorio.upn.edu.pe/handle/11537/26900
https://repositorio.upn.edu.pe/handle/11537/26901
https://repositorio.upn.edu.pe/handle/11537/26918
https://repositorio.upn.edu.pe/handle/11537/26912
https://repositorio.upn.edu.pe/handle/11537/26913
https://repositorio.upn.edu.pe/handle/11537/26914
https://repositorio.upn.edu.pe/handle/11537/26915
https://repositorio.upn.edu.pe/handle/11537/26916
https://repositorio.upn.edu.pe/handle/11537/29555
https://repositorio.upn.edu.pe/handle/11537/26882
https://repositorio.upn.edu.pe/handle/11537/26883
https://repositorio.upn.edu.pe/handle/11537/26919
https://repositorio.upn.edu.pe/handle/11537/26891
https://repositorio.upn.edu.pe/handle/11537/26926
https://repositorio.upn.edu.pe/handle/11537/26927
https://repositorio.upn.edu.pe/handle/11537/26928
https://repositorio.upn.edu.pe/handle/11537/26929
https://repositorio.upn.edu.pe/handle/11537/26930
https://repositorio.upn.edu.pe/handle/11537/26931
https://repositorio.upn.edu.pe/handle/11537/26932
https://repositorio.upn.edu.pe/handle/11537/26933
https://repositorio.upn.edu.pe/handle/11537/26934
https://repositorio.upn.edu.pe/handle/11537/26935
https://repositorio.upn.edu.pe/handle/11537/26936
https://repositorio.upn.edu.pe/handle/11537/26937
https://repositorio.upn.edu.pe/handle/11537/26943
https://repositorio.upn.edu.pe/handle/11537/26945
https://repositorio.upn.edu.pe/handle/11537/26955
https://repositorio.upn.edu.pe/handle/11537/26958
https://repositorio.upn.edu.pe/handle/11537/26921
https://repositorio.upn.edu.pe/handle/11537/26922
https://repositorio.upn.edu.pe/handle/11537/26923
https://repositorio.upn.edu.pe/handle/11537/26924
https://repositorio.upn.edu.pe/handle/11537/26951
https://repositorio.upn.edu.pe/handle/11537/26966
https://repositorio.upn.edu.pe/handle/11537/26969
https://repositorio.upn.edu.pe/handle/11537/26970
https://repositorio.upn.edu.pe/handle/11537/26971
https://repositorio.upn.edu.pe/handle/11537/26972
https://repositorio.upn.edu.pe/handle/11537/26974
https://repositorio.upn.edu.pe/handle/11537/26976
https://repositorio.upn.edu.pe/handle/11537/26977
https://repositorio.upn.edu.pe/handle/11537/26978
https://repositorio.upn.edu.pe/handle/11537/26980
https://repositorio.upn.edu.pe/handle/11537/26925
https://repositorio.upn.edu.pe/handle/11537/26941
https://repositorio.upn.edu.pe/handle/11537/26942