Klungboonkrong, V., and S. Phoungchandang. “Microwave Drying Characteristics and Qualities of Dried Orthosiphon Aristatus Leaves”. Asia-Pacific Journal of Science and Technology, vol. 23, no. 1, Feb. 2018, pp. APST-23, https://so01.tci-thaijo.org/index.php/APST/article/view/112309.