?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Dwi+Widyastuti&rft.aulast=Nurharyanto&rft.au=Nurharyanto%2C+Dwi+Widyastuti&rft.inst=Fakultas+Ilmu+Pendidikan&rft.date=2021&rft.degree=S2&rft.title=PENGARUH+PENDEKATAN+PROBLEM+POSING+DAN+PROBLEM+SOLVING+TERHADAP+PRESTASI+BELAJAR+%26+KEMAMPUAN+PENALARAN+MATEMATIS+SISWA+KELAS+V+SEKOLAH+DASAR