Sirima Jeenpatiphat และ Duangamol Nuntasri. (2007) Heterogeneous esterification of free fatty acids using ion exchanged ETS-10 base catalyst. Chulalongkorn University:ม.ป.ท.Sirima Jeenpatiphat และ Duangamol Nuntasri. 2007. Heterogeneous esterification of free fatty acids using ion exchanged ETS-10 base catalyst. ม.ป.ท.:Chulalongkorn University;Sirima Jeenpatiphat และ Duangamol Nuntasri. Heterogeneous esterification of free fatty acids using ion exchanged ETS-10 base catalyst. ม.ป.ท.:Chulalongkorn University, 2007. Print.