?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=22084521&rft.aufirst=TOMMY+FERDINAND+HUTAGALUNG&rft.au=22084521%2C+TOMMY+FERDINAND+HUTAGALUNG&rft.date=February+2018&rft.inst=Universitas+Kristen+Duta+Wacana&rft.degree=Final+Year+Projects+(S1)&rft.title=DIAGNOSIS+PENYAKIT+PERNAPASAN+DENGAN+METODE+CERTAINTY+FACTOR&rft.tpages=35