Chakkrit Umpuch. (2015) Removal of green 40 from aqueous solutions by adsorption using organo-corn straw. <i>KKU Engineering Journal</i>, <i>42</i>(3), 250-257.Chakkrit Umpuch. "Removal of green 40 from aqueous solutions by adsorption using organo-corn straw". KKU Engineering Journal 42 (2015):250-257.Chakkrit Umpuch. Removal of green 40 from aqueous solutions by adsorption using organo-corn straw. Faculty of Engineering, Khon Kaen University:ม.ป.ท. 2015.