@unpublished{repository47694,
           title = {surat izin belajar akbar nadjar hendra},
       publisher = {uhamka},
            note = {Unpublished},
          author = {Hendra, Akbar Nadjar and Hendra, Akbar Nadzar},
             url = {http://repository.uhamka.ac.id/id/eprint/47694/}
}