@unpublished{repository2386,
            note = {Unpublished},
           title = {SK KEPANGKATAN},
       publisher = {Universitas Muhammadiyah PROF. DR. HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/2386/},
          author = {Sri Yuliawati, Sri Yuliawati}
}