?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Ummu+Aiman%2C+NIM.%3A+98434005&rft.aulast=Ummu+Aiman&rft.aufirst=NIM.%3A+98434005&rft.degree=Skripsi&rft.date=18+January+2004&rft.title=DESKRIPSI+GAYA+BELAJAR+MATEMATIKA+SISWA+BERPRESTASI+DI+MTs+NEGERI+YOGYAKARTA+II&rft.inst=UIN+SUNAN+KALIJAGA+YOGYAKARTA&rft.tpages=85