?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Hanifa&rft.aufirst=Sofiana&rft.au=Hanifa%2C+Sofiana&rft.inst=Universitas+Muhammadiyah+Prof.+DR.+HAMKA&rft.degree=Bachelor&rft.date=2022&rft.title=UJI+AKTIVITAS+ANTIOKSIDAN+METODE+DPPH+SERTA+PENETAPAN+KADAR+FLAVONOID+DAN+FENOLIK+TOTAL+FRAKSI+AIR+DAUN+PLETEKAN+(Ruellia+tuberosa+L.)