?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Shabrina%2C+Ghina+Nur&rft.aufirst=Ghina+Nur&rft.aulast=Shabrina&rft.degree=Bachelor&rft.inst=Universitas+Muhammadiyah+Prof.+DR.+HAMKA&rft.title=Aktivitas+Antioksidan+Ekstrak+Etanol+70%25+Teh+Putih%2C+Hijau%2C+Oolong%2C+Dan+Hitam+(Camellia+Sinensis+(L.)+Kuntze)&rft.date=2019