@unpublished{repository6413,
           title = {Laporan Penelitian Pengembangan Konverter Energi Termal Surya Menjadi Energi Listrik},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof.DR. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/6413/},
          author = {Fikri, Agus}
}