@unpublished{repository6109,
           title = {STANDARISASI \& PENENT.MARKER OBA (7C)},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/6109/},
          author = {Ema Dewanti, Ema}
}