@unpublished{repository12100,
           title = {DOKUMEN KORESPONDENSI JURNAL TONGKOL JAGUNG PBSJ TUTI},
            note = {Unpublished},
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
             url = {http://repository.uhamka.ac.id/id/eprint/12100/},
          author = {Tuti Wiyati, Tuti}
}