Thanabhorn Nitiwattana และ Chawalit Ngamcharussrivichai. (2010) Esterification of dicarboxylic acids over amberlyst ion-exchange resins. Chulalongkorn University:ม.ป.ท.Thanabhorn Nitiwattana และ Chawalit Ngamcharussrivichai. 2010. Esterification of dicarboxylic acids over amberlyst ion-exchange resins. ม.ป.ท.:Chulalongkorn University;Thanabhorn Nitiwattana และ Chawalit Ngamcharussrivichai. Esterification of dicarboxylic acids over amberlyst ion-exchange resins. ม.ป.ท.:Chulalongkorn University, 2010. Print.