Wattanapanichaporn, O., W. Jantaradach, K. Wannatong, and T. Aroonsrisopon. 2018. “Cylinder-to-Cylinder Variations in Diesel Dual Fuel Combustion under Low-Load Conditions”. Journal of Research and Applications in Mechanical Engineering 1 (4):1-8. https://ph01.tci-thaijo.org/index.php/jrame/article/view/149439.