• https://repositorio.uroosevelt.edu.pe/items/4bf1ce7d-41b4-4bfe-87bd-094c50f1b28b
• https://repositorio.uroosevelt.edu.pe/items/60232e1e-f86c-4bd6-8f63-fcf6c19ab6ad
• https://repositorio.uroosevelt.edu.pe/items/4b82a57a-bc7d-4d3a-a2f2-fb4fe81fa825
• https://repositorio.uroosevelt.edu.pe/items/c321b169-796a-40a8-b977-4954b6fa54a1
• https://repositorio.uroosevelt.edu.pe/items/4431e864-4b57-4884-b550-be15a0fc55c5
• https://repositorio.uroosevelt.edu.pe/items/c167d397-062e-4062-963e-dee90c4ba2d0
• https://repositorio.uroosevelt.edu.pe/items/981cf453-2115-4a5f-8d47-534c1cb0c954