Rosid, Ali, et al. “Effect of Temulawak (Curcumin Xanthorrhiza Roxb) Extract on Reduction Of MDA (Malondialdehyde) Levels of Football Athletes”. Pakistan Journal of Nutrition, vol. 12, no. 9, Aug. 2013, pp. 842–850, https://doi.org/10.3923/pjn.2013.842.850.