Prastowo, H., S. Semin, M. B. Zaman, A. T. B. Musrijadi, A. Santoso, D. Priyanta, S. Sarwito, A. Baheramsyah, and R. A. Bakar. “Investigation of Fuel Flow Velocity on CNG Engine Using New Injector”. Asian Journal of Engineering and Technology, vol. 4, no. 2, May 2016, https://www.ajouronline.com/index.php/AJET/article/view/3772.