@unpublished{repository35606,
           title = {SERTIFIKAT DAN SURTUG KM7},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. DR. Hamka},
          author = {Benny, Hendriana},
             url = {http://repository.uhamka.ac.id/id/eprint/35606/}
}