• https://repositorio.uancv.edu.pe/items/fffd419b-fed4-4d8c-86dc-194d18fb9bf4
• https://repositorio.uancv.edu.pe/items/fffe668d-e9d7-4b50-aca9-5f0eeffcf451
• https://repositorio.uancv.edu.pe/items/afc05852-a053-4a68-8343-5b667cb38b5b
• https://repositorio.uancv.edu.pe/items/fb5b4804-3d55-40d5-935e-7c8e9e5df106
• https://repositorio.uancv.edu.pe/items/04c3436e-8804-4a65-84c4-c7482d5c9906
• https://repositorio.uancv.edu.pe/items/225fdb2c-4eb0-4e87-9040-596c4c26503e