?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Yuyun&rft.au=Yuyun+Umniyatun%2C+Yuyun&rft.aulast=Yuyun+Umniyatun&rft.issn=ISSN+0854-1752&rft.atitle=Performance+Measurement+of+a+Private+Hospital+during+the+Pandemic+Covid-19&rft.title=International+Research+Journal+of+Business+Studies+(IRJBS)&rft.volume=16&rft.issue=1&rft.genre=article