@unpublished{repository44027,
            note = {Unpublished},
           title = {Bukti Kinerja Prak Helmin 3B},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
          author = {Nikmatullah, Nurul Azmah},
             url = {http://repository.uhamka.ac.id/id/eprint/44027/}
}