?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=22084515%2C+Abdiel+Bramantyo&rft.aulast=22084515&rft.aufirst=Abdiel+Bramantyo&rft.date=November+2013&rft.inst=Universitas+Kristen+Duta+Wacana&rft.title=IMPLEMENTASI+PROTOKOL+INSTANT+MESSAGING+KEY+EXCHANGE+PADA+SECURE+INSTANT+MESSAGING&rft.degree=Bachelor&rft.tpages=59