@phdthesis{UNY7300,
          author = {Vera Vera Dwi Septiana Sari},
          school = {Fakultas Ilmu Pendidikan},
            year = {2012},
           title = {PERILAK U BULLYING SISWA DI SM P N 1 TANJUNGSARI GUNUNG KIDUL},
           month = {November},
             url = {http://eprints.uny.ac.id/7300/}
}