Roslan, H. A. ., F. C. . Yien Yin, S. S. . Fong, A. Fong, J. Chong, and A. Husaini. “Effects of Short Term UVB and UVC Irradiation on Hydroxyphenylpyruvate Reductase Expression and Rosmarinic Acid Accumulation in Orthosiphon Aristatus”. Science & Technology Asia, vol. 26, no. 2, June 2021, pp. 155-68, https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/222186.