Sirisomboon, Panmanas, and Kittisak Phetpan. “Application of Near-Infrared Spectroscopy in Detection of Steroids Adulteration in Traditional Thai Medicines”. Engineering and Applied Science Research 49, no. 2 (September 23, 2021): 228–234. Accessed April 25, 2024. https://ph01.tci-thaijo.org/index.php/easr/article/view/245629.