Chatri Kriengyakul และ Montree Wongsri. (2009) Pseudo single phase base-catalyst transesterification of palm stearin to biodiesel. Chulalongkorn University:ม.ป.ท.Chatri Kriengyakul และ Montree Wongsri. 2009. Pseudo single phase base-catalyst transesterification of palm stearin to biodiesel. ม.ป.ท.:Chulalongkorn University;Chatri Kriengyakul และ Montree Wongsri. Pseudo single phase base-catalyst transesterification of palm stearin to biodiesel. ม.ป.ท.:Chulalongkorn University, 2009. Print.