@unpublished{repository7126,
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
           title = {BAP, Presensi, DPNA Kimia 1 C},
            note = {Unpublished},
          author = {Sofyaningsih, Mira},
             url = {http://repository.uhamka.ac.id/id/eprint/7126/}
}