?url_ver=Z39.88-2004&rft_id=10.23960%2Fjpp.v14.i3.2024121&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Efendi&rft.au=Efendi%2C+Ulfah+Putri&rft.aufirst=Ulfah+Putri&rft.pages=1784-1799&rft.atitle=The+Effectiveness+of+Differentiated+Instruction+in+Elementary+School+Subject%3A+Teachers%E2%80%99+Perceptions&rft.date=2024&rft.issue=3&rft.issn=Print%3A+2087-9849+dan+Online%3A+2550-1313&rft.title=Jurnal+Pendidikan+Progresif&rft.volume=14&rft.genre=article