?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Siti+Nur+Kasiyati%2C+NIM.%3A+09481120&rft.aulast=Siti+Nur+Kasiyati&rft.aufirst=NIM.%3A+09481120&rft.degree=Skripsi&rft.date=4+December+2011&rft.title=MENINGKATKAN+PRESTASI+BELAJAR+MATEMATIKA+SISWA+KELAS+V+MI+MUHAMMADIYAH+TIRTOSARI+SAWANGAN+MELALUI+PEMBELAJARAN+KOOPERATIF+MODEL+SNOW+BALLING&rft.inst=UIN+SUNAN+KALIJAGA+YOGYAKARTA&rft.tpages=146