?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Deni&rft.au=Rahmayani%2C+Deni&rft.aulast=Rahmayani&rft.title=PENETAPAN+KADAR+TANIN+TOTAL+EKSTRAK+ETANOL+70%25+DAUN+PLETEKAN+(Ruellia+tuberosa+L.)+SECARA+SONIKASI+DAN+UJI+AKTIVITAS+ANTIOKSIDAN+DENGAN+METODE+ABTS+(2%2C2-azinobis+3-+ethyl+benzothiazoline-6-sulfonic+acid)&rft.degree=Bachelor&rft.date=2021&rft.inst=Universitas+Muhammadiyah+Prof.+DR.+HAMKA