Avecillas Jara, Alberto SantiagoGuzñay Padilla, Sonia Janneth2014-06-272014-06-272000http://dspace.ucuenca.edu.ec/handle/123456789/15719application/pdfspaopenAccesshttp://creativecommons.org/licenses/by-nc-sa/3.0/ec/AtomobachelorThesis