?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Faradillah%2C+Ayu&rft.aufirst=Ayu&rft.aulast=Faradillah&rft.atitle=Mathematical+Understanding+Concepts+Ability+in+QR+Code-Assisted+Problem+Solving+by+Gender&rft.title=Jurnal+Pendidikan+Matematika&rft.genre=article