Panneeka Attanon. (2006) Research on Pilot Plant Level of Continuously Extraction Process of Derris (Derris elliptica Benth). <i>Thai Agricultural Research Journal</i>, <i>24</i>(2), 198-210.Panneeka Attanon. "Research on Pilot Plant Level of Continuously Extraction Process of Derris (Derris elliptica Benth)". Thai Agricultural Research Journal 24 (2006):198-210.Panneeka Attanon. Research on Pilot Plant Level of Continuously Extraction Process of Derris (Derris elliptica Benth). Department of Agriculture:ม.ป.ท. 2006.