@unpublished{repository44019,
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
            note = {Unpublished},
           title = {Bukti kinerja Helmin Teori 3A},
             url = {http://repository.uhamka.ac.id/id/eprint/44019/},
          author = {Nikmatullah, Nurul Azmah}
}