Tittayaporn Charoenwatee และ Bunlur Emaruchi. (2012) Energy and co2 estimation in producing biodiesel from used cooking oil. Mahidol University:ม.ป.ท.Tittayaporn Charoenwatee และ Bunlur Emaruchi. 2012. Energy and co2 estimation in producing biodiesel from used cooking oil. ม.ป.ท.:Mahidol University;Tittayaporn Charoenwatee และ Bunlur Emaruchi. Energy and co2 estimation in producing biodiesel from used cooking oil. ม.ป.ท.:Mahidol University, 2012. Print.