@unpublished{UNY6702,
          school = {UNY},
            year = {2012},
           month = {May},
          author = {Damar Kurniadi},
           title = {Hubungan Antara Kemampuan Musikal Dengan Kemampuan Matematika Siswa SMP N 1 Minggir Sleman},
             url = {http://eprints.uny.ac.id/6702/}
}