@unpublished{repository18500,
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
           title = {SK, BAP, Prsensi, Nilai},
            note = {Unpublished},
          author = {Ika Yatri, Ika Yatri},
             url = {http://repository.uhamka.ac.id/id/eprint/18500/}
}