@unpublished{repository41142,
           title = {Surat Tugas dan Sertifikat Narasumber "Literasi Digital siswa di SD Keramat Jati 02 Pagi"},
       publisher = {Universitas Muhammadiyah Prof. Dr. HAMKA},
            note = {Unpublished},
          author = {Latifah, Nur},
             url = {http://repository.uhamka.ac.id/id/eprint/41142/}
}