@unpublished{repository2256,
           title = {6 Surat Tugas, Und, Materi Al Azhar},
            type = {Documentation},
            note = {Unpublished},
       publisher = {MM UHAMKA},
             url = {http://repository.uhamka.ac.id/id/eprint/2256/},
          author = {Bambang, Dwi Hartono}
}