?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Connie&rft.au=Connie+Chairunnisa%2C+Connie&rft.aulast=Connie+Chairunnisa&rft.title=INTERNATIONAL+JOURNAL+OF+MULTIDISCIPLINARY%3A+APPLIED+BUSINESS+AND+EDUCATION+RESEARCH&rft.atitle=Efforts+to+Improve+Students%E2%80%99+Critical+Thinking+Skills+in+Primary+Education+Fundamental+Class+through+Group+Investigation+Model&rft.date=30+October+2022&rft.genre=article