Thitiphan Chimsook. (2016) Microwave assisted extraction of barakol from Senna siamea. <i>KKU Engineering Journal</i>, <i>43</i>(S2), 217-220.Thitiphan Chimsook. "Microwave assisted extraction of barakol from Senna siamea". KKU Engineering Journal 43 (2016):217-220.Thitiphan Chimsook. Microwave assisted extraction of barakol from Senna siamea. Faculty of Engineering, Khon Kaen University:ม.ป.ท. 2016.