?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Irfan+Ananda&rft.aulast=Ismail&rft.au=Ismail%2C+Irfan+Ananda&rft.atitle=Problem-Based+Chemistry+Learning+Reviewed+from+the+Ability+to+Use+Virtual+Laboratories+to+Overcome+Pandemic+Era&rft.date=February+2022&rft.issn=2643-9670&rft.title=International+Journal+of+Academic+Multidisciplinary+Research+(IJAMR)&rft.volume=6&rft.issue=2&rft.pages=217-221&rft.genre=article