?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Rikizaputra&rft.aulast=Rikizaputra&rft.au=Rikizaputra%2C+Rikizaputra&rft.atitle=Analysis+of+Student+Independence+and+Habits+of+Mind+of+Students+in+Biology+Learning+in+Class+X+MIA+through+Portfolio+Assessment&rft.date=April+2021&rft.issn=232-238&rft.title=JPPIPA+(Jurnal+Penelitian+Pendidikan+IPA)&rft.volume=7&rft.issue=2&rft.pages=232-238&rft.genre=article