@unpublished{repository45115,
       publisher = {Universitas Muhammadiyah Prof. Dr. Hamka},
            note = {Unpublished},
           title = {SK,Bap,daftarhadir, dpna Sejarah Maritim},
             url = {http://repository.uhamka.ac.id/id/eprint/45115/},
          author = {Jumardi, Jumardi}
}