• https://repositorio.usm.cl/entities/tesis/98499726-d48c-4794-b6db-9632e8bb2c44
• https://repositorio.usm.cl/entities/tesis/1329fc9b-eda7-4a75-bcd2-d737f06a0dc0
• https://repositorio.usm.cl/entities/tesis/0db4f311-98ce-40a7-9621-864bd7945153
• https://repositorio.usm.cl/entities/tesis/b8418708-4232-4a2a-b710-47de94ba14e5
• https://repositorio.usm.cl/entities/tesis/39aedb74-12cc-488b-b11a-e950b52d216e
• https://repositorio.usm.cl/entities/tesis/08f32c88-39eb-44a7-86bd-b0471eceb4f6
• https://repositorio.usm.cl/entities/tesis/da27ee87-c250-4422-8c82-70e6c6ce45b6