@unpublished{repository31496,
           title = {WDBK kelas 1B},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/31496/},
          author = {Chandra Dewi S., CDS}
}