?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=IRDALISA&rft.au=IRDALISA%2C+IRDALISA&rft.aulast=IRDALISA&rft.title=Al-Ishlah%3A+Jurnal+Pendidikan&rft.issn=2087-9490&rft.atitle=Enhancing+Critical+Thinking+Skills+of+Prospective+Elementary+School+Teachers%3A+A+Study+on+Problem-Based+Learning+Approach&rft.genre=article