?url_ver=Z39.88-2004&rft_id=10.31949%2Feducatio.v7i3.1184&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Febriani%2C+Annisa+Varian&rft.aufirst=Annisa+Varian&rft.aulast=Febriani&rft.issn=2548-6756&rft.volume=7&rft.atitle=Implementation+of+Online+Learning+during+the+Covid+19+Pandemic+on+Psychological+Development+of+Grade+4+Students&rft.issue=3&rft.date=2021&rft.pages=674-679&rft.title=Jurnal+Educatio+FKIP+UNMA&rft.genre=article