@phdthesis{UNY45064,
          school = {FIS},
            year = {2015},
           title = {Penanggulangan Aksi Hooliganisme Oleh Kepolisian Negara Republik Indonesia Daerah Istimewa Yogyakarta},
          author = {Virgiawan Irfan},
             url = {http://eprints.uny.ac.id/45064/}
}