?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Guzm%C3%A1n+Sol%C3%B3rzano%2C+Jos%C3%A9+Rodolfo&rft.aulast=Guzm%C3%A1n+Sol%C3%B3rzano&rft.aufirst=Jos%C3%A9+Rodolfo&rft.date=November+2016&rft.title=Producci%C3%B3n+y+Comercializaci%C3%B3n+de+Pitahaya.&rft.inst=Universidad+Nacional+Polit%C3%A9cnica+RUR-RIVAS.&rft.degree=%5B%22eprint_fieldopt_thesis_type_bachelor%22+not+defined%5D&rft.tpages=93