@unpublished{repository54960,
           title = {sk,bap,kehadiran,dpna geometri},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
          author = {Trisna Roy Pradipta, TRP},
             url = {http://repository.uhamka.ac.id/id/eprint/54960/}
}