@unpublished{repository18494,
           title = {SK, BAP, Presensi, Nilai},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/18494/},
          author = {Ika Yatri, Ika Yatri}
}