?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Chusna&rft.au=Chusna%2C+Frida+Amri&rft.aufirst=Frida+Amri&rft.title=UPAYA+GURU+MENGATASI+KESULITAN+BELAJAR+MATEMATIKA+PADA+SISWA+KELAS+IV+SD+NEGERI+1+PANGENREJO+KECAMATAN+PURWOREJO%2C+KABUPATEN+PURWOREJO&rft.date=11+October+2016&rft.inst=PGSD&rft.degree=S1