@unpublished{repository51575,
            note = {Unpublished},
           title = {BAP , PRESENSI , NILAI},
       publisher = {Universitas Muhammadiyah Prof DR Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/51575/},
          author = {Hendra Apriyadi, Hendra}
}