Supoj Sirisenapan และผู้แต่งคนอื่นๆ. (2014) Effects of Hydrous Ethanol Fuels on the Performance of Small Spark Ignition Engine and Deterioration of Engine Oil. Thai Society of Mechanical Engineers:ม.ป.ท.Supoj Sirisenapan และผู้แต่งคนอื่นๆ. 2014. Effects of Hydrous Ethanol Fuels on the Performance of Small Spark Ignition Engine and Deterioration of Engine Oil. ม.ป.ท.:Thai Society of Mechanical Engineers;Supoj Sirisenapan และผู้แต่งคนอื่นๆ. Effects of Hydrous Ethanol Fuels on the Performance of Small Spark Ignition Engine and Deterioration of Engine Oil. ม.ป.ท.:Thai Society of Mechanical Engineers, 2014. Print.