?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=SITI+AMINAH+-+NIM.+05450017%2C+&rft.aulast=SITI+AMINAH+-+NIM.+05450017&rft.aufirst=+&rft.degree=Skripsi&rft.date=3+January+2011&rft.title=UPAYA+PENINGKATAN+MOTIVASI+DAN+PRESTASI+BELAJAR+BIOLOGI+MELALUI+MODEL+JIGSAW&rft.inst=UIN+Sunan+Kalijaga+Yogyakarta