Piyanuch Thongphasuk, and Jarunee Thongphasuk. “Effects of y-irradiation on free radicals, active components and toxicity of Turmeric rhizomes”. Journal of Current Science and Technology, vol. 3, no. 2, Feb. 2023, pp. 169-77, https://ph04.tci-thaijo.org/index.php/JCST/article/view/637.