Siripan Srijugawan และ Paanika Attanont; Somporn Suriyant; Supinya Boonmanop; Pramote Kerdsiri. (2004) Growth and Yields of Derris elliptica Benth. Planting at the Three Places. <i>Thai Agricultural Research Journal</i>, <i>22</i>(2), 119-127.Siripan Srijugawan และ Paanika Attanont; Somporn Suriyant; Supinya Boonmanop; Pramote Kerdsiri. "Growth and Yields of Derris elliptica Benth. Planting at the Three Places". Thai Agricultural Research Journal 22 (2004):119-127.Siripan Srijugawan และ Paanika Attanont; Somporn Suriyant; Supinya Boonmanop; Pramote Kerdsiri. Growth and Yields of Derris elliptica Benth. Planting at the Three Places. Department of Agriculture:ม.ป.ท. 2004.