Hadia, F. , Wadhah, S. , Ammar, H. , Ahmed, O. (2016), 'Effects of Intake Temperature and Intake Pressure on Combustion and Exhaust Emissions of HCCI Engine', World Academy of Science, Engineering and Technology, Open Science Index 116, International Journal of Mechanical and Mechatronics Engineering, 10(8), 1616 - 1621.