Mirah, Leo, et al. “Antioxidant and Tyrosinase Enzyme Inhibition Activity of Lime Peel and Seed Ethanol Extract”. American Scientific Research Journal for Engineering, Technology, and Sciences, vol. 63, no. 1, Jan. 2020, pp. 87-93, https://asrjetsjournal.org/American_Scientific_Journal/article/view/5491.