@unpublished{repository3561,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
           title = {Laporan Penelitian Mandiri (COVID-19)},
             url = {http://repository.uhamka.ac.id/id/eprint/3561/},
          author = {wijiharjono, nuryadi and Rachman, Nur Hadiyazid and Chandra, Dicky and Tutuko, Bambang}
}