@unpublished{repository2943,
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
           title = {Chujokyuu Dokkai 4A dan 4B},
            note = {Unpublished},
          author = {Sukmara, Rina},
             url = {http://repository.uhamka.ac.id/id/eprint/2943/}
}