@unpublished{repository31671,
           title = {sk,bap,daftar hadir,dpna sejarah pendidikan 5a},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/31671/},
          author = {Jumardi, Jumardi}
}