?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Kelly+Yelitza&rft.au=Garc%C3%ADa+Tinoco%2C+Kelly+Yelitza&rft.aulast=Garc%C3%ADa+Tinoco&rft.date=November+2019&rft.title=Plan+de+Negocios+Happy+Events.&rft.inst=Universidad+Nacional+Polit%C3%A9cnica.&rft.degree=%5B%22eprint_fieldopt_thesis_type_bachelor%22+not+defined%5D&rft.tpages=109