@unpublished{repository6668,
           title = {BAP, Presensi, Nilai},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/6668/},
          author = {Eka Kartikawati, Eka}
}