Somjai Patiyuth และ Bunhan Tangcham; Sompong Muanjang. (2000) Studies on The N2 - Fixing Bacteria Association with Yetiver 1) Biosynthesis of Plant Grwoth Hormone by Azospirillum. 2) Use of the gusA Gene to Study Azospirillum. <i>Thai Agricultural Research Journal</i>, <i>18</i>(3), 233-237.Somjai Patiyuth และ Bunhan Tangcham; Sompong Muanjang. "Studies on The N2 - Fixing Bacteria Association with Yetiver 1) Biosynthesis of Plant Grwoth Hormone by Azospirillum. 2) Use of the gusA Gene to Study Azospirillum". Thai Agricultural Research Journal 18 (2000):233-237.Somjai Patiyuth และ Bunhan Tangcham; Sompong Muanjang. Studies on The N2 - Fixing Bacteria Association with Yetiver 1) Biosynthesis of Plant Grwoth Hormone by Azospirillum. 2) Use of the gusA Gene to Study Azospirillum. Department of Agriculture:ม.ป.ท. 2000.