@unpublished{repository38257,
            note = {Unpublished},
           title = {Suarat tugas dan laporan penelitian},
       publisher = {Universitas Muhammadiyah. Prof. DR. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/38257/},
          author = {Mayarni, Mayarni}
}