@unpublished{repository41858,
       publisher = {universitas muhammadiyah Prof. Dr. HAMKA},
           title = {Bukti Kinerja Matematika 1},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/41858/},
          author = {Muntazhimah, Muntazhimah}
}