Martinez Espitia, Jasir Jair2016-10-312016-10-312016-10-31https://repositorio.unicordoba.edu.co/handle/ucordoba/187engCopyright Universidad de Córdoba, 2016Journal week by weekWEEKHOW CAN YOU IMPROVETrabajo de grado - Pregradoinfo:eu-repo/semantics/openAccessAtribución 4.0 Internacional (CC BY 4.0)