@unpublished{repository6818,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. Hamka},
           title = {Laporan hasil penelitian},
             url = {http://repository.uhamka.ac.id/id/eprint/6818/},
          author = {Eka Kartikawati, Eka}
}