?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Christiana+Shelly+Budi+Suharto&rft.aufirst=Christiana+Shelly+Budi+Suharto&rft.title=HUBUNGAN+KADAR+FERRITIN+DENGAN+MORTALITAS+PASIEN+COVID-19+DI+RUMAH+SAKIT+BETHESDA+YOGYAKARTA&rft.degree=Bachelor&rft.inst=Universitas+Kristen+Duta+Wacana&rft.date=3+December+2022