@phdthesis{UNY6937,
           month = {October},
            year = {2012},
          school = {UNY},
           title = {Tingkat Keterampilan Bermain Sepaktakraw Siswa SD N Plaosan yang Mengikuti Ekstrakurikuler Sepaktakraw},
          author = {Rr Robertus Rubiyanto},
             url = {http://eprints.uny.ac.id/6937/}
}