@unpublished{repository27049,
       publisher = {Universitas Muhammadiyah Prof Dr Hamka},
            note = {Unpublished},
           title = {Laporan Penelitian},
             url = {http://repository.uhamka.ac.id/id/eprint/27049/},
          author = {Dwitiyanti, Dwitiyanti and Kriana, Efendi}
}