?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Stiven+Rolando&rft.aulast=Guzm%C3%A1n+Garc%C3%ADa&rft.au=Guzm%C3%A1n+Garc%C3%ADa%2C+Stiven+Rolando&rft.date=8+November+2016&rft.title=Lavanderia+Master+Clean+Rivas.&rft.inst=Universidad+Nacional+Polit%C3%A9cnica+RUR-RIVAS.&rft.degree=%5B%22eprint_fieldopt_thesis_type_bachelor%22+not+defined%5D&rft.tpages=107