Haengmuk Cho, Byungmo Yang,. “Advanced Biofuel Reseach Trands and Aftertreament Technology of Ci Engine”. International Journal of Advanced Science and Technology 29, no. 3 (February 13, 2020): 2619-2627. Accessed May 7, 2024. http://sersc.org/journals/index.php/IJAST/article/view/4447.