@unpublished{repository6100,
           title = {Rosalina, PRESENT, BAP, NILAI, Sis Peng Elektrik (Unfublished)},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/6100/},
          author = {Rosalina{,} S.T.{,} M.T., Rosalina}
}