Ratiwan Padpibool และ Tharapong Vitidsant. (2013) CRACKING OF USED VEGETABLE OIL TO LIQUID FUEL OVER SPENT FCC CATALYST. Chulalongkorn University:ม.ป.ท.Ratiwan Padpibool และ Tharapong Vitidsant. 2013. CRACKING OF USED VEGETABLE OIL TO LIQUID FUEL OVER SPENT FCC CATALYST. ม.ป.ท.:Chulalongkorn University;Ratiwan Padpibool และ Tharapong Vitidsant. CRACKING OF USED VEGETABLE OIL TO LIQUID FUEL OVER SPENT FCC CATALYST. ม.ป.ท.:Chulalongkorn University, 2013. Print.