Theinnoi, K., A. Tsolakis, B. Sawatmongkhon, and S. Chuepeng. “A study of hydrogen addition on diesel oxidation catalyst activities under the real diesel engine”. Journal of Research and Applications in Mechanical Engineering 1, no. 3 (October 8, 2018): 29–32. accessed March 2, 2026. https://ph01.tci-thaijo.org/index.php/jrame/article/view/149693.