Pilada Pookboonmee และ Chantra Tongcumpou. (2008) Oil extraction from jatropha seeds using mixed surfactants aqueous-based solution for elimination of phorbol esters in the oil. Chulalongkorn University:ม.ป.ท.Pilada Pookboonmee และ Chantra Tongcumpou. 2008. Oil extraction from jatropha seeds using mixed surfactants aqueous-based solution for elimination of phorbol esters in the oil. ม.ป.ท.:Chulalongkorn University;Pilada Pookboonmee และ Chantra Tongcumpou. Oil extraction from jatropha seeds using mixed surfactants aqueous-based solution for elimination of phorbol esters in the oil. ม.ป.ท.:Chulalongkorn University, 2008. Print.