@unpublished{repository18850,
           title = {SK, BAP, Daftar Hadir, Nilai},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
            note = {Unpublished},
          author = {Jumardi, Jumardi},
             url = {http://repository.uhamka.ac.id/id/eprint/18850/}
}