Khalid , A., Mohamad Jaat, M. N., Zaman, I., Manshoor, B., & Mohd Ali, M. F. (2013). Effect of preheated fuel on mixture formation of biodiesel spray. Trans tech Publications, Switzerland.

Khalid , Amir, Md Norrizam Mohamad Jaat, Izzuddin Zaman, Bukhari Manshoor, and Mas Fawzi Mohd Ali. Effect of Preheated Fuel On Mixture Formation of Biodiesel Spray. Trans tech Publications, Switzerland, 2013.

Khalid , Amir, et al. Effect of Preheated Fuel On Mixture Formation of Biodiesel Spray. Trans tech Publications, Switzerland, 2013.