?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Santi&rft.aulast=Yuliani&rft.au=Yuliani%2C+Santi&rft.inst=Universitas+Muhammadiyah+Prof.+DR.+HAMKA&rft.title=UJI+AKTIVITAS+ANTIOKSIDAN+SUBFRAKSI+ETIL+ASETAT+KULIT+BATANG+JARAK+(Ricinus+communis+L.)+DENGAN+METODE+DPPH&rft.date=2020&rft.degree=Bachelor