@unpublished{repository18057,
            note = {Unpublished},
       publisher = {UHAMKA},
           title = {Sertifikat dan Surat Tugas Narasumber dari LPPM UHAMKA},
          author = {Khavisa Pranata, Khavisa},
             url = {http://repository.uhamka.ac.id/id/eprint/18057/}
}