?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Safrizal&rft.aulast=Safrizal&rft.au=Safrizal%2C+Safrizal&rft.atitle=Difficulties+of+Implementing+Online+Learning+in+Kindergarten+During+Pandemic%3B+Teacher's+Perspective+Review&rft.date=October+2021&rft.issn=ISSN+print+%3A+2301-7821+dan+online+%3A+2549-2608&rft.title=JURNAL+PENDIDIKAN+DAN+PENGAJARAN&rft.volume=54&rft.issue=3&rft.pages=406-414&rft.genre=article