@unpublished{UNY2525,
          school = {UNY},
            year = {2010},
          author = {Aryanti Yana},
           title = {UPAYA MENINGKATKAN KEMAMPUAN PEMAHAMAN KONSEP MATEMATIKA SISWA KELAS VII A SMP NEGERI 2 MLATI MELALUI STRATEGI RECIPROCAL TEACHING},
             url = {http://eprints.uny.ac.id/2525/}
}