Wimonrat TRAKARNPRUK. (2012) Biodiesel Production from Palm Fatty Acids Distillate Using Tungstophosphoric Acid- and Cs-salt Immobilized-Silica. <i>Walailak Journal of Science and Technology</i>, <i>9</i>(1), 37.Wimonrat TRAKARNPRUK. "Biodiesel Production from Palm Fatty Acids Distillate Using Tungstophosphoric Acid- and Cs-salt Immobilized-Silica". Walailak Journal of Science and Technology 9 (2012):37.Wimonrat TRAKARNPRUK. Biodiesel Production from Palm Fatty Acids Distillate Using Tungstophosphoric Acid- and Cs-salt Immobilized-Silica. Walailak University:ม.ป.ท. 2012.