?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Roberto+Alexander&rft.aulast=Arroliga+Mercado&rft.au=Arroliga+Mercado%2C+Roberto+Alexander&rft.inst=Universidad+Nacional+Polit%C3%A9cnica.&rft.degree=%5B%22eprint_fieldopt_thesis_type_bachelor%22+not+defined%5D&rft.tpages=101&rft.date=19+November+2017&rft.title=F%C3%A1brica+de+Pupitres+FlexiChair.