@unpublished{repository2181,
           title = {BAP,PRESENSI,NILAI},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof.Dr.Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/2181/},
          author = {YULIA, RAHMADHAR}
}