Siregar, T. M., and Devina, L. “Antioxidant and antibacterial activity of Curcuma spp. rhizome essential oil”. International Journal of Agricultural Technology, vol. 20, no. 5, Sept. 2024, pp. 2169-78, https://li04.tci-thaijo.org/index.php/IJAT/article/view/5692.