Panmanas Sirisomboon และ Kittisak Phetpan. (2022) Application of near-infrared spectroscopy in detection of steroids adulteration in traditional Thai medicines. <i>Engineering and Applied Science Research</i>, <i>49</i>(2), 228-234.Panmanas Sirisomboon และ Kittisak Phetpan. "Application of near-infrared spectroscopy in detection of steroids adulteration in traditional Thai medicines". Engineering and Applied Science Research 49 (2022):228-234.Panmanas Sirisomboon และ Kittisak Phetpan. Application of near-infrared spectroscopy in detection of steroids adulteration in traditional Thai medicines. Faculty of Engineering, Khon Kaen University:ม.ป.ท. 2022.