@unpublished{repository46130,
           title = {Bukti Kinerja Fisika Lingkungan Genap 2425},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
            note = {Unpublished},
             url = {http://repository.uhamka.ac.id/id/eprint/46130/},
          author = {Laksanawati, Wahyu Dian}
}