@unpublished{repository18561,
           title = {BAP, Presensi, Nilai},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof Dr Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/18561/},
          author = {Dian Kholika Hamal, Dian}
}