?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Apriyadi&rft.au=23090488%2C+Apriyadi&rft.aulast=23090488&rft.title=UJI+KETERGUNAAN+ANTARMUKA+ONLINE+TRADING+SISTEM+MANDIRI+SEKURITAS&rft.inst=Universitas+Kristen+Duta+Wacana&rft.date=November+2016&rft.degree=Final+Year+Projects+(S1)&rft.tpages=41