@phdthesis{UNY2207,
          author = {Wahyuningsih Sri},
           title = {Peningkatan Motivasi Belajar Matematika Siswa Kelas V SD Muhammadiyah Condong Catur Yogyakarta Melalui Permainan },
          school = {UNY},
           month = {September},
            year = {2010},
             url = {http://eprints.uny.ac.id/2207/}
}