Ekkachai Sutheerasak. (2013) Injection, combustion, and engine emissions characteristics form preheated vegetable oils. <i>KKU Engineering Journal</i>, <i>40</i>(4), 627-642.Ekkachai Sutheerasak. "Injection, combustion, and engine emissions characteristics form preheated vegetable oils". KKU Engineering Journal 40 (2013):627-642.Ekkachai Sutheerasak. Injection, combustion, and engine emissions characteristics form preheated vegetable oils. Faculty of Engineering, Khon Kaen Univeristy:ม.ป.ท. 2013.