Narvaez Rivera, Freddy FernandoCobos Cobos, Monica Patricia2020-08-132020-08-1320017BT2001-MSis30https://dspace.ucacue.edu.ec/handle/ucacue/5812application/pdf85p.spainfo:eu-repo/semantics/openAccessAtribución 4.0 Internacionalhttp://creativecommons.org/licenses/by/4.0/deed.esO.S.MPdcDmcBpminfo:eu-repo/semantics/bachelorThesis