@unpublished{repository45346,
       publisher = {universitas Muhammadiyah Prof.DR.HAMKA},
            note = {Unpublished},
           title = {Tesis Mahasiswa PEP  Vina},
             url = {http://repository.uhamka.ac.id/id/eprint/45346/},
          author = {Ernawati, Ernawati}
}