?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Frepository.uhamka.ac.id%2Fid%2Feprint%2F3554%2F&rft.title=Laporan+Penelitian+Mandiri+(COVID-19)&rft.creator=wijiharjono%2C+Nuryadi&rft.creator=Rachman%2C+Nur+Hadiyazid&rft.creator=Chandra%2C+Dicky&rft.creator=Tutuko%2C+Bambang&rft.subject=ZA+Information+resources&rft.subject=ZA4050+Electronic+information+resources&rft.subject=ZA4450+Databases&rft.publisher=Universitas+Muhammadiyah+Prof.+DR.+HAMKA&rft.type=Other&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=http%3A%2F%2Frepository.uhamka.ac.id%2Fid%2Feprint%2F3554%2F1%2FLAPORAN%2520PENELITIAN.pdf&rft.identifier=++wijiharjono%2C+Nuryadi+dan+Rachman%2C+Nur+Hadiyazid+dan+Chandra%2C+Dicky+dan+Tutuko%2C+Bambang+++Laporan+Penelitian+Mandiri+(COVID-19).++Universitas+Muhammadiyah+Prof.+DR.+HAMKA.++++(Unpublished)++