@unpublished{repository50538,
            note = {Unpublished},
           title = {Hayfa Zeba Ayesha Ulhaq - 2106015062},
       publisher = {UNIVERSITAS MUHAMMADIYAH PROF. DR. HAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/50538/},
          author = {Eko Digdoyo, Eko}
}