Narupon Jomtib และ Artiwan Shotipruk. (2006) Production of biodiesel from palm oil in supercritical methanol. Chulalongkorn University:ม.ป.ท.Narupon Jomtib และ Artiwan Shotipruk. 2006. Production of biodiesel from palm oil in supercritical methanol. ม.ป.ท.:Chulalongkorn University;Narupon Jomtib และ Artiwan Shotipruk. Production of biodiesel from palm oil in supercritical methanol. ม.ป.ท.:Chulalongkorn University, 2006. Print.