“Effect of Cool and Hot Exhaust Gas Recirculation (EGR) on the Performance of Multi-Cylinder Compression Ignition Engine Fueled With Blends of Diesel and Methanol”. Al-Nahrain Journal for Engineering Sciences, vol. 19, no. 1, Jan. 2017, pp. 76-85, https://nahje.com/index.php/main/article/view/45.