?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Ch%C3%A1vez+L%C3%B3pez%2C+Roberto+Vladimir&rft.aulast=Ch%C3%A1vez+L%C3%B3pez&rft.aufirst=Roberto+Vladimir&rft.tpages=113&rft.inst=Universidad+Nacional+Polit%C3%A9cnica.&rft.degree=%5B%22eprint_fieldopt_thesis_type_bachelor%22+not+defined%5D&rft.title=DISRROT%3A+Dise%C3%B1o+y+Rotulaci%C3%B2n.&rft.date=2016