Doloking, H., Mukhriani, Rima Amalia and Andri Anugrah Pratama 2022. Antioxidant Activity Study of Zingiber Zerumbet Rhizome Extract and Fraction. Ad-Dawaa’ Journal of Pharmaceutical Sciences. 5, 2 (Dec. 2022), 120-129. DOI:https://doi.org/10.24252/djps.v5i2.37351.