URL List

https://repositorio.upn.edu.pe/handle/11537/25409
https://repositorio.upn.edu.pe/handle/11537/25410
https://repositorio.upn.edu.pe/handle/11537/25411
https://repositorio.upn.edu.pe/handle/11537/25412
https://repositorio.upn.edu.pe/handle/11537/25413
https://repositorio.upn.edu.pe/handle/11537/25422
https://repositorio.upn.edu.pe/handle/11537/25436
https://repositorio.upn.edu.pe/handle/11537/25444
https://repositorio.upn.edu.pe/handle/11537/25446
https://repositorio.upn.edu.pe/handle/11537/25447
https://repositorio.upn.edu.pe/handle/11537/25402
https://repositorio.upn.edu.pe/handle/11537/25401
https://repositorio.upn.edu.pe/handle/11537/25403
https://repositorio.upn.edu.pe/handle/11537/25406
https://repositorio.upn.edu.pe/handle/11537/25405
https://repositorio.upn.edu.pe/handle/11537/25408
https://repositorio.upn.edu.pe/handle/11537/25414
https://repositorio.upn.edu.pe/handle/11537/25416
https://repositorio.upn.edu.pe/handle/11537/25415
https://repositorio.upn.edu.pe/handle/11537/25417
https://repositorio.upn.edu.pe/handle/11537/25420
https://repositorio.upn.edu.pe/handle/11537/25418
https://repositorio.upn.edu.pe/handle/11537/25419
https://repositorio.upn.edu.pe/handle/11537/25404
https://repositorio.upn.edu.pe/handle/11537/25421
https://repositorio.upn.edu.pe/handle/11537/25425
https://repositorio.upn.edu.pe/handle/11537/25431
https://repositorio.upn.edu.pe/handle/11537/25435
https://repositorio.upn.edu.pe/handle/11537/25437
https://repositorio.upn.edu.pe/handle/11537/25439
https://repositorio.upn.edu.pe/handle/11537/25438
https://repositorio.upn.edu.pe/handle/11537/25440
https://repositorio.upn.edu.pe/handle/11537/25441
https://repositorio.upn.edu.pe/handle/11537/25442
https://repositorio.upn.edu.pe/handle/11537/25443
https://repositorio.upn.edu.pe/handle/11537/25445
https://repositorio.upn.edu.pe/handle/11537/25448
https://repositorio.upn.edu.pe/handle/11537/25450
https://repositorio.upn.edu.pe/handle/11537/25423
https://repositorio.upn.edu.pe/handle/11537/25424
https://repositorio.upn.edu.pe/handle/11537/25426
https://repositorio.upn.edu.pe/handle/11537/25427
https://repositorio.upn.edu.pe/handle/11537/25428
https://repositorio.upn.edu.pe/handle/11537/25429
https://repositorio.upn.edu.pe/handle/11537/25430
https://repositorio.upn.edu.pe/handle/11537/25432
https://repositorio.upn.edu.pe/handle/11537/25433
https://repositorio.upn.edu.pe/handle/11537/25434
https://repositorio.upn.edu.pe/handle/11537/25449
https://repositorio.upn.edu.pe/handle/11537/25463
https://repositorio.upn.edu.pe/handle/11537/25464
https://repositorio.upn.edu.pe/handle/11537/25465
https://repositorio.upn.edu.pe/handle/11537/25466
https://repositorio.upn.edu.pe/handle/11537/25467
https://repositorio.upn.edu.pe/handle/11537/25468
https://repositorio.upn.edu.pe/handle/11537/25470
https://repositorio.upn.edu.pe/handle/11537/25473
https://repositorio.upn.edu.pe/handle/11537/25474
https://repositorio.upn.edu.pe/handle/11537/25475
https://repositorio.upn.edu.pe/handle/11537/25476
https://repositorio.upn.edu.pe/handle/11537/25477
https://repositorio.upn.edu.pe/handle/11537/25451
https://repositorio.upn.edu.pe/handle/11537/25452
https://repositorio.upn.edu.pe/handle/11537/25453
https://repositorio.upn.edu.pe/handle/11537/25454
https://repositorio.upn.edu.pe/handle/11537/25455
https://repositorio.upn.edu.pe/handle/11537/25456
https://repositorio.upn.edu.pe/handle/11537/25457
https://repositorio.upn.edu.pe/handle/11537/25458
https://repositorio.upn.edu.pe/handle/11537/25462
https://repositorio.upn.edu.pe/handle/11537/25471
https://repositorio.upn.edu.pe/handle/11537/25469
https://repositorio.upn.edu.pe/handle/11537/25472
https://repositorio.upn.edu.pe/handle/11537/25481
https://repositorio.upn.edu.pe/handle/11537/25482
https://repositorio.upn.edu.pe/handle/11537/25492
https://repositorio.upn.edu.pe/handle/11537/25491
https://repositorio.upn.edu.pe/handle/11537/25493
https://repositorio.upn.edu.pe/handle/11537/25494
https://repositorio.upn.edu.pe/handle/11537/25495
https://repositorio.upn.edu.pe/handle/11537/25496
https://repositorio.upn.edu.pe/handle/11537/25497
https://repositorio.upn.edu.pe/handle/11537/25498
https://repositorio.upn.edu.pe/handle/11537/25499
https://repositorio.upn.edu.pe/handle/11537/25459
https://repositorio.upn.edu.pe/handle/11537/25460
https://repositorio.upn.edu.pe/handle/11537/25461
https://repositorio.upn.edu.pe/handle/11537/25478
https://repositorio.upn.edu.pe/handle/11537/25479
https://repositorio.upn.edu.pe/handle/11537/25480
https://repositorio.upn.edu.pe/handle/11537/25483
https://repositorio.upn.edu.pe/handle/11537/25484
https://repositorio.upn.edu.pe/handle/11537/25485
https://repositorio.upn.edu.pe/handle/11537/25487
https://repositorio.upn.edu.pe/handle/11537/25488
https://repositorio.upn.edu.pe/handle/11537/25489
https://repositorio.upn.edu.pe/handle/11537/25504
https://repositorio.upn.edu.pe/handle/11537/25508
https://repositorio.upn.edu.pe/handle/11537/25509
https://repositorio.upn.edu.pe/handle/11537/25511
https://repositorio.upn.edu.pe/handle/11537/25486
https://repositorio.upn.edu.pe/handle/11537/25490
https://repositorio.upn.edu.pe/handle/11537/25503
https://repositorio.upn.edu.pe/handle/11537/25514
https://repositorio.upn.edu.pe/handle/11537/25515
https://repositorio.upn.edu.pe/handle/11537/25516
https://repositorio.upn.edu.pe/handle/11537/25520
https://repositorio.upn.edu.pe/handle/11537/25519
https://repositorio.upn.edu.pe/handle/11537/25521
https://repositorio.upn.edu.pe/handle/11537/25500
https://repositorio.upn.edu.pe/handle/11537/25501
https://repositorio.upn.edu.pe/handle/11537/25502
https://repositorio.upn.edu.pe/handle/11537/25505
https://repositorio.upn.edu.pe/handle/11537/25506
https://repositorio.upn.edu.pe/handle/11537/25507
https://repositorio.upn.edu.pe/handle/11537/25517
https://repositorio.upn.edu.pe/handle/11537/25518
https://repositorio.upn.edu.pe/handle/11537/25522
https://repositorio.upn.edu.pe/handle/11537/25532
https://repositorio.upn.edu.pe/handle/11537/25535
https://repositorio.upn.edu.pe/handle/11537/25534
https://repositorio.upn.edu.pe/handle/11537/25536
https://repositorio.upn.edu.pe/handle/11537/25537
https://repositorio.upn.edu.pe/handle/11537/25538
https://repositorio.upn.edu.pe/handle/11537/25510
https://repositorio.upn.edu.pe/handle/11537/25523
https://repositorio.upn.edu.pe/handle/11537/25525
https://repositorio.upn.edu.pe/handle/11537/25527
https://repositorio.upn.edu.pe/handle/11537/25528
https://repositorio.upn.edu.pe/handle/11537/25529
https://repositorio.upn.edu.pe/handle/11537/25530
https://repositorio.upn.edu.pe/handle/11537/25531
https://repositorio.upn.edu.pe/handle/11537/25512
https://repositorio.upn.edu.pe/handle/11537/25524
https://repositorio.upn.edu.pe/handle/11537/25526
https://repositorio.upn.edu.pe/handle/11537/25539
https://repositorio.upn.edu.pe/handle/11537/25540
https://repositorio.upn.edu.pe/handle/11537/25541
https://repositorio.upn.edu.pe/handle/11537/25542
https://repositorio.upn.edu.pe/handle/11537/25543
https://repositorio.upn.edu.pe/handle/11537/25545
https://repositorio.upn.edu.pe/handle/11537/25546
https://repositorio.upn.edu.pe/handle/11537/25544
https://repositorio.upn.edu.pe/handle/11537/25549
https://repositorio.upn.edu.pe/handle/11537/25548
https://repositorio.upn.edu.pe/handle/11537/25547
https://repositorio.upn.edu.pe/handle/11537/25550
https://repositorio.upn.edu.pe/handle/11537/25551
https://repositorio.upn.edu.pe/handle/11537/25553
https://repositorio.upn.edu.pe/handle/11537/25554
https://repositorio.upn.edu.pe/handle/11537/25557
https://repositorio.upn.edu.pe/handle/11537/25558
https://repositorio.upn.edu.pe/handle/11537/25556
https://repositorio.upn.edu.pe/handle/11537/25560
https://repositorio.upn.edu.pe/handle/11537/25561
https://repositorio.upn.edu.pe/handle/11537/25562
https://repositorio.upn.edu.pe/handle/11537/25563
https://repositorio.upn.edu.pe/handle/11537/24174
https://repositorio.upn.edu.pe/handle/11537/25513
https://repositorio.upn.edu.pe/handle/11537/25564
https://repositorio.upn.edu.pe/handle/11537/25566
https://repositorio.upn.edu.pe/handle/11537/25567
https://repositorio.upn.edu.pe/handle/11537/25569
https://repositorio.upn.edu.pe/handle/11537/25570
https://repositorio.upn.edu.pe/handle/11537/25571
https://repositorio.upn.edu.pe/handle/11537/25572
https://repositorio.upn.edu.pe/handle/11537/25579
https://repositorio.upn.edu.pe/handle/11537/25580
https://repositorio.upn.edu.pe/handle/11537/25581
https://repositorio.upn.edu.pe/handle/11537/25584
https://repositorio.upn.edu.pe/handle/11537/25585
https://repositorio.upn.edu.pe/handle/11537/25552
https://repositorio.upn.edu.pe/handle/11537/25555
https://repositorio.upn.edu.pe/handle/11537/25559
https://repositorio.upn.edu.pe/handle/11537/25565
https://repositorio.upn.edu.pe/handle/11537/25568
https://repositorio.upn.edu.pe/handle/11537/25586
https://repositorio.upn.edu.pe/handle/11537/25573
https://repositorio.upn.edu.pe/handle/11537/25574
https://repositorio.upn.edu.pe/handle/11537/25575
https://repositorio.upn.edu.pe/handle/11537/25576
https://repositorio.upn.edu.pe/handle/11537/25577
https://repositorio.upn.edu.pe/handle/11537/25578
https://repositorio.upn.edu.pe/handle/11537/25582
https://repositorio.upn.edu.pe/handle/11537/25583
https://repositorio.upn.edu.pe/handle/11537/25589
https://repositorio.upn.edu.pe/handle/11537/25595
https://repositorio.upn.edu.pe/handle/11537/25596
https://repositorio.upn.edu.pe/handle/11537/25597
https://repositorio.upn.edu.pe/handle/11537/25599
https://repositorio.upn.edu.pe/handle/11537/25600
https://repositorio.upn.edu.pe/handle/11537/25606
https://repositorio.upn.edu.pe/handle/11537/25601
https://repositorio.upn.edu.pe/handle/11537/25604
https://repositorio.upn.edu.pe/handle/11537/25602
https://repositorio.upn.edu.pe/handle/11537/25605
https://repositorio.upn.edu.pe/handle/11537/25587
https://repositorio.upn.edu.pe/handle/11537/25590
https://repositorio.upn.edu.pe/handle/11537/25591
https://repositorio.upn.edu.pe/handle/11537/25592
https://repositorio.upn.edu.pe/handle/11537/25593
https://repositorio.upn.edu.pe/handle/11537/25594
https://repositorio.upn.edu.pe/handle/11537/25598
https://repositorio.upn.edu.pe/handle/11537/25608
https://repositorio.upn.edu.pe/handle/11537/25588
https://repositorio.upn.edu.pe/handle/11537/25603
https://repositorio.upn.edu.pe/handle/11537/25607
https://repositorio.upn.edu.pe/handle/11537/25609
https://repositorio.upn.edu.pe/handle/11537/25610
https://repositorio.upn.edu.pe/handle/11537/25611
https://repositorio.upn.edu.pe/handle/11537/25612
https://repositorio.upn.edu.pe/handle/11537/25613
https://repositorio.upn.edu.pe/handle/11537/25614
https://repositorio.upn.edu.pe/handle/11537/25615
https://repositorio.upn.edu.pe/handle/11537/25617
https://repositorio.upn.edu.pe/handle/11537/25616
https://repositorio.upn.edu.pe/handle/11537/25618
https://repositorio.upn.edu.pe/handle/11537/25619
https://repositorio.upn.edu.pe/handle/11537/25620
https://repositorio.upn.edu.pe/handle/11537/25621
https://repositorio.upn.edu.pe/handle/11537/25622
https://repositorio.upn.edu.pe/handle/11537/25623
https://repositorio.upn.edu.pe/handle/11537/25625
https://repositorio.upn.edu.pe/handle/11537/25627
https://repositorio.upn.edu.pe/handle/11537/25628
https://repositorio.upn.edu.pe/handle/11537/25629
https://repositorio.upn.edu.pe/handle/11537/25630
https://repositorio.upn.edu.pe/handle/11537/25631
https://repositorio.upn.edu.pe/handle/11537/25632
https://repositorio.upn.edu.pe/handle/11537/25636
https://repositorio.upn.edu.pe/handle/11537/25634
https://repositorio.upn.edu.pe/handle/11537/25635
https://repositorio.upn.edu.pe/handle/11537/25641
https://repositorio.upn.edu.pe/handle/11537/25637
https://repositorio.upn.edu.pe/handle/11537/25638
https://repositorio.upn.edu.pe/handle/11537/25643
https://repositorio.upn.edu.pe/handle/11537/25639
https://repositorio.upn.edu.pe/handle/11537/25644
https://repositorio.upn.edu.pe/handle/11537/25645
https://repositorio.upn.edu.pe/handle/11537/25646
https://repositorio.upn.edu.pe/handle/11537/25624
https://repositorio.upn.edu.pe/handle/11537/25626
https://repositorio.upn.edu.pe/handle/11537/25640
https://repositorio.upn.edu.pe/handle/11537/25642
https://repositorio.upn.edu.pe/handle/11537/25653
https://repositorio.upn.edu.pe/handle/11537/25657
https://repositorio.upn.edu.pe/handle/11537/25659
https://repositorio.upn.edu.pe/handle/11537/25661
https://repositorio.upn.edu.pe/handle/11537/25699
https://repositorio.upn.edu.pe/handle/11537/25751
https://repositorio.upn.edu.pe/handle/11537/25756
https://repositorio.upn.edu.pe/handle/11537/25812
https://repositorio.upn.edu.pe/handle/11537/25757
https://repositorio.upn.edu.pe/handle/11537/25758
https://repositorio.upn.edu.pe/handle/11537/25760
https://repositorio.upn.edu.pe/handle/11537/25759
https://repositorio.upn.edu.pe/handle/11537/25761
https://repositorio.upn.edu.pe/handle/11537/25762
https://repositorio.upn.edu.pe/handle/11537/25765
https://repositorio.upn.edu.pe/handle/11537/25763
https://repositorio.upn.edu.pe/handle/11537/25764
https://repositorio.upn.edu.pe/handle/11537/25766
https://repositorio.upn.edu.pe/handle/11537/25767
https://repositorio.upn.edu.pe/handle/11537/25768
https://repositorio.upn.edu.pe/handle/11537/25633
https://repositorio.upn.edu.pe/handle/11537/25648
https://repositorio.upn.edu.pe/handle/11537/25647
https://repositorio.upn.edu.pe/handle/11537/25651
https://repositorio.upn.edu.pe/handle/11537/25649
https://repositorio.upn.edu.pe/handle/11537/25650
https://repositorio.upn.edu.pe/handle/11537/25652
https://repositorio.upn.edu.pe/handle/11537/25654
https://repositorio.upn.edu.pe/handle/11537/25655
https://repositorio.upn.edu.pe/handle/11537/25656
https://repositorio.upn.edu.pe/handle/11537/25658
https://repositorio.upn.edu.pe/handle/11537/25660
https://repositorio.upn.edu.pe/handle/11537/25662
https://repositorio.upn.edu.pe/handle/11537/25700
https://repositorio.upn.edu.pe/handle/11537/25663
https://repositorio.upn.edu.pe/handle/11537/25664
https://repositorio.upn.edu.pe/handle/11537/25665
https://repositorio.upn.edu.pe/handle/11537/25666
https://repositorio.upn.edu.pe/handle/11537/25668
https://repositorio.upn.edu.pe/handle/11537/25669
https://repositorio.upn.edu.pe/handle/11537/25670
https://repositorio.upn.edu.pe/handle/11537/25672
https://repositorio.upn.edu.pe/handle/11537/25671
https://repositorio.upn.edu.pe/handle/11537/25675
https://repositorio.upn.edu.pe/handle/11537/25674
https://repositorio.upn.edu.pe/handle/11537/25679
https://repositorio.upn.edu.pe/handle/11537/25673
https://repositorio.upn.edu.pe/handle/11537/25676
https://repositorio.upn.edu.pe/handle/11537/25677
https://repositorio.upn.edu.pe/handle/11537/25678
https://repositorio.upn.edu.pe/handle/11537/25680
https://repositorio.upn.edu.pe/handle/11537/25681
https://repositorio.upn.edu.pe/handle/11537/25682
https://repositorio.upn.edu.pe/handle/11537/25684
https://repositorio.upn.edu.pe/handle/11537/25686
https://repositorio.upn.edu.pe/handle/11537/25688
https://repositorio.upn.edu.pe/handle/11537/25687
https://repositorio.upn.edu.pe/handle/11537/24173
https://repositorio.upn.edu.pe/handle/11537/25667
https://repositorio.upn.edu.pe/handle/11537/25683
https://repositorio.upn.edu.pe/handle/11537/25685
https://repositorio.upn.edu.pe/handle/11537/25689
https://repositorio.upn.edu.pe/handle/11537/25690
https://repositorio.upn.edu.pe/handle/11537/25691
https://repositorio.upn.edu.pe/handle/11537/25692
https://repositorio.upn.edu.pe/handle/11537/25695
https://repositorio.upn.edu.pe/handle/11537/25754
https://repositorio.upn.edu.pe/handle/11537/25769
https://repositorio.upn.edu.pe/handle/11537/25770
https://repositorio.upn.edu.pe/handle/11537/25816
https://repositorio.upn.edu.pe/handle/11537/25824
https://repositorio.upn.edu.pe/handle/11537/25822
https://repositorio.upn.edu.pe/handle/11537/25823
https://repositorio.upn.edu.pe/handle/11537/25693
https://repositorio.upn.edu.pe/handle/11537/25697
https://repositorio.upn.edu.pe/handle/11537/25698
https://repositorio.upn.edu.pe/handle/11537/25702
https://repositorio.upn.edu.pe/handle/11537/25704
https://repositorio.upn.edu.pe/handle/11537/25708
https://repositorio.upn.edu.pe/handle/11537/25713
https://repositorio.upn.edu.pe/handle/11537/25711
https://repositorio.upn.edu.pe/handle/11537/25720
https://repositorio.upn.edu.pe/handle/11537/25715
https://repositorio.upn.edu.pe/handle/11537/25717
https://repositorio.upn.edu.pe/handle/11537/25721
https://repositorio.upn.edu.pe/handle/11537/25749
https://repositorio.upn.edu.pe/handle/11537/24130
https://repositorio.upn.edu.pe/handle/11537/25694
https://repositorio.upn.edu.pe/handle/11537/25696
https://repositorio.upn.edu.pe/handle/11537/25706
https://repositorio.upn.edu.pe/handle/11537/25707
https://repositorio.upn.edu.pe/handle/11537/25714
https://repositorio.upn.edu.pe/handle/11537/25716
https://repositorio.upn.edu.pe/handle/11537/25718
https://repositorio.upn.edu.pe/handle/11537/25725
https://repositorio.upn.edu.pe/handle/11537/25729
https://repositorio.upn.edu.pe/handle/11537/25734
https://repositorio.upn.edu.pe/handle/11537/25738
https://repositorio.upn.edu.pe/handle/11537/25741
https://repositorio.upn.edu.pe/handle/11537/25742
https://repositorio.upn.edu.pe/handle/11537/25743
https://repositorio.upn.edu.pe/handle/11537/25745
https://repositorio.upn.edu.pe/handle/11537/25747
https://repositorio.upn.edu.pe/handle/11537/25772
https://repositorio.upn.edu.pe/handle/11537/25773
https://repositorio.upn.edu.pe/handle/11537/25774
https://repositorio.upn.edu.pe/handle/11537/25775
https://repositorio.upn.edu.pe/handle/11537/25776
https://repositorio.upn.edu.pe/handle/11537/26033
https://repositorio.upn.edu.pe/handle/11537/26035
https://repositorio.upn.edu.pe/handle/11537/25701
https://repositorio.upn.edu.pe/handle/11537/25709
https://repositorio.upn.edu.pe/handle/11537/25719
https://repositorio.upn.edu.pe/handle/11537/25722
https://repositorio.upn.edu.pe/handle/11537/25727
https://repositorio.upn.edu.pe/handle/11537/25728
https://repositorio.upn.edu.pe/handle/11537/25733
https://repositorio.upn.edu.pe/handle/11537/25731
https://repositorio.upn.edu.pe/handle/11537/25744
https://repositorio.upn.edu.pe/handle/11537/25746
https://repositorio.upn.edu.pe/handle/11537/25748
https://repositorio.upn.edu.pe/handle/11537/25771
https://repositorio.upn.edu.pe/handle/11537/25703
https://repositorio.upn.edu.pe/handle/11537/25712
https://repositorio.upn.edu.pe/handle/11537/25723
https://repositorio.upn.edu.pe/handle/11537/25724
https://repositorio.upn.edu.pe/handle/11537/25726
https://repositorio.upn.edu.pe/handle/11537/25736
https://repositorio.upn.edu.pe/handle/11537/25750
https://repositorio.upn.edu.pe/handle/11537/25730
https://repositorio.upn.edu.pe/handle/11537/25732
https://repositorio.upn.edu.pe/handle/11537/25735
https://repositorio.upn.edu.pe/handle/11537/25739
https://repositorio.upn.edu.pe/handle/11537/25737
https://repositorio.upn.edu.pe/handle/11537/25740
https://repositorio.upn.edu.pe/handle/11537/25752
https://repositorio.upn.edu.pe/handle/11537/25753
https://repositorio.upn.edu.pe/handle/11537/25755
https://repositorio.upn.edu.pe/handle/11537/25813
https://repositorio.upn.edu.pe/handle/11537/25818
https://repositorio.upn.edu.pe/handle/11537/25828
https://repositorio.upn.edu.pe/handle/11537/25839
https://repositorio.upn.edu.pe/handle/11537/25830
https://repositorio.upn.edu.pe/handle/11537/25834
https://repositorio.upn.edu.pe/handle/11537/25874
https://repositorio.upn.edu.pe/handle/11537/25848
https://repositorio.upn.edu.pe/handle/11537/25855
https://repositorio.upn.edu.pe/handle/11537/25856
https://repositorio.upn.edu.pe/handle/11537/25857
https://repositorio.upn.edu.pe/handle/11537/25860
https://repositorio.upn.edu.pe/handle/11537/25873
https://repositorio.upn.edu.pe/handle/11537/25875
https://repositorio.upn.edu.pe/handle/11537/25877
https://repositorio.upn.edu.pe/handle/11537/25876
https://repositorio.upn.edu.pe/handle/11537/25878
https://repositorio.upn.edu.pe/handle/11537/25879
https://repositorio.upn.edu.pe/handle/11537/25881
https://repositorio.upn.edu.pe/handle/11537/25882
https://repositorio.upn.edu.pe/handle/11537/25884
https://repositorio.upn.edu.pe/handle/11537/25883
https://repositorio.upn.edu.pe/handle/11537/25885
https://repositorio.upn.edu.pe/handle/11537/25886
https://repositorio.upn.edu.pe/handle/11537/25777
https://repositorio.upn.edu.pe/handle/11537/25778
https://repositorio.upn.edu.pe/handle/11537/25943
https://repositorio.upn.edu.pe/handle/11537/25779
https://repositorio.upn.edu.pe/handle/11537/25780
https://repositorio.upn.edu.pe/handle/11537/25781
https://repositorio.upn.edu.pe/handle/11537/25783
https://repositorio.upn.edu.pe/handle/11537/25782