@unpublished{repository41854,
           title = {Bukti Kinerja Kalkulus 1},
            note = {Unpublished},
       publisher = {universitas muhammadiyah Prof. Dr. HAMKA},
          author = {Muntazhimah, Muntazhimah},
             url = {http://repository.uhamka.ac.id/id/eprint/41854/}
}