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.