@unpublished{repository49788,
           title = {BAP,DKM,DNM Mesin Konversi Energi 5A},
       publisher = {Universitas Muhammadiyah Prof. DR. HAMKA},
            note = {Unpublished},
          author = {Rifky, Rifky},
             url = {http://repository.uhamka.ac.id/id/eprint/49788/}
}