Songphon Phimsen และ Suttichai Assabumrungrat. (2011) Hydroprocessing of palm oil for second generation biodiesel production. Silpakorn University:ม.ป.ท.Songphon Phimsen และ Suttichai Assabumrungrat. 2011. Hydroprocessing of palm oil for second generation biodiesel production. ม.ป.ท.:Silpakorn University;Songphon Phimsen และ Suttichai Assabumrungrat. Hydroprocessing of palm oil for second generation biodiesel production. ม.ป.ท.:Silpakorn University, 2011. Print.