?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Audina%2C+Rina&rft.aufirst=Rina&rft.aulast=Audina&rft.date=2020&rft.inst=Universitas+Muhammadiyah+Prof.+DR.+HAMKA&rft.degree=Bachelor&rft.title=PENGARUH+VARIASI+WAKTU+EKSTRAKSI+METODE+ULTRASONIK+TERHADAP+KADAR+FLAVONOID+TOTAL+PADA+EKSTRAK+ETANOL+70%25+DAUN+NILAM+(Pogostemon+cablin+(Blanco)+Benth.)