@unpublished{repository42292,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
           title = {Surat Tugas dan sertifikat Bimtek Nasional Pemanfaatan Teknologi Digital},
             url = {http://repository.uhamka.ac.id/id/eprint/42292/},
          author = {Tsurayya, Ayu}
}