Fadila, R. I. ., M. Iqbal, R. Triyandi, and I. D. Rahayu. “Antioxidant Activity Of Temulawak (Curcuma Xanthorrhiza Roxb.) And Red Ginger (Zingiber Officinale Var Rubrum)”. Medical Profession Journal of Lampung, vol. 14, no. 4, Apr. 2024, pp. 719-24, http://journalofmedula.com/index.php/medula/article/view/1051.