@unpublished{repository19946,
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
           title = {BAP, PRESENSI DAN NILAI PROBLEMATIKA MATEMATIKA SEKOLAH 7D},
             url = {http://repository.uhamka.ac.id/id/eprint/19946/},
          author = {Hadi, Windia Hadi}
}