Sujitra Warasanam และ Somchai pengprecha. (2012) Synthesis of pour point depressant from dicarboxylic acid for biodiesel from soybean oil and palm oil. Chulalongkorn University:ม.ป.ท.Sujitra Warasanam และ Somchai pengprecha. 2012. Synthesis of pour point depressant from dicarboxylic acid for biodiesel from soybean oil and palm oil. ม.ป.ท.:Chulalongkorn University;Sujitra Warasanam และ Somchai pengprecha. Synthesis of pour point depressant from dicarboxylic acid for biodiesel from soybean oil and palm oil. ม.ป.ท.:Chulalongkorn University, 2012. Print.