Nattaporn Kongsamutr และ Jirdsak Tscheikuna. (2007) Production of methyl ester from palm stearin and fatty acid by two step method. Chulalongkorn University:ม.ป.ท.Nattaporn Kongsamutr และ Jirdsak Tscheikuna. 2007. Production of methyl ester from palm stearin and fatty acid by two step method. ม.ป.ท.:Chulalongkorn University;Nattaporn Kongsamutr และ Jirdsak Tscheikuna. Production of methyl ester from palm stearin and fatty acid by two step method. ม.ป.ท.:Chulalongkorn University, 2007. Print.