@unpublished{repository24553,
           month = {October},
           title = {Yadi Nurhayadi\_Disertasi},
          school = {UIN Syarif Hidayatullah},
            note = {Unpublished},
            year = {2010},
          author = {Nurhayadi, Yadi},
             url = {http://repository.uhamka.ac.id/id/eprint/24553/}
}