?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Supriatna&rft.aufirst=Bagus&rft.au=Supriatna%2C+Bagus&rft.inst=Universitas+Muhammadiyah+Prof.+DR.+HAMKA&rft.degree=Bachelor&rft.date=2020&rft.title=PENETAPAN+KADAR+FLAVONOID+TOTAL+DAN+FENOLIK+TOTAL+PADA+EKSTRAK+ETANOL+70%25+DAUN+KUBIS+(Brassica+oleracea+L.)+DENGAN+METODE+EKSTRAKSI+ULTRASONIK