1. Yo-Ping Wu, Ya Fen Lin and Jhen-Yu Ye (2011), “The Effect Storage Condition on Biodiesel”, Department of Chemical and materials Engineering, National Ilan University Taiwan, R.O.C.
2. J.A. Kinast (2003), “Production of Biodiesels from Multiple Feedstocks and Properties of Biodiesel and Biodiesel/Diesel Blends”, Gas Technology Institute Des Plaines, Illinois, Final Report 1 in a series of 6.
3. Amir Khalid and Bukhari Manshoor, “Analysis of Mixture formation and Flame Development of Diesel Combustion using a Rapid Compression Machine and Optical Visualization Technique”, Applied Mechanics and Materials Vols. 315(2013), Trans tech Publications, Switzerland, pp 293-298.
4. Amir Khalid, Osman S.A, M. Jaat, Mustaffa N., Basharie S.M., B. Manshoor, “Performance and Emissions Characteristics of Diesel Engine Fuelled by Biodiesel Derived from Palm Oil”, International Conference on Mechanical & Manufacturing Engineering (ICME2012), pp.1-5, 2012.
5. Jinllin Xue, Tony E. Grift, Alan C. Hansen, “Effect of biodiesel on engine performances and emission”, Department of Agricultural and Biological Engineering, University of Illinois at Urbana-Champingn, Urbana, USA. (2011).