@unpublished{repository36859,
            note = {Unpublished},
           title = {SK PENGUJI SKIRPSI},
       publisher = {UNIVERSITAS MUHAMMADIYAH PROF. DR. HAMKA},
          author = {Eko Digdoyo, Eko},
             url = {http://repository.uhamka.ac.id/id/eprint/36859/}
}