@unpublished{repository31681,
       publisher = {UHAMKA},
            note = {Unpublished},
           title = {SURKOM 5A},
             url = {http://repository.uhamka.ac.id/id/eprint/31681/},
          author = {Luthfiana Nurkusuma Ningtyas, Luthfiana Nurkusuma Ningtyas}
}