Nguyen, Huu Phuoc, Duy Nam Ngo, Minh Hien Ngo, and Van Chien Pham. “Effectiveness of Exhaust Gas Recirculation (EGR) System on Reducing NOx Pollutants on Turbocharged Hydrogen Engines”. Journal of Transportation Science and Technology 14, no. 2 (May 21, 2025): 125–141. Accessed May 10, 2026. https://tst.ut.edu.vn/index.php/jtst/article/view/357.