Ali, M., A. Abdullah, M. Mat Yasin, and M. Kamarulzaman. “Cyclic Pressure Variations in A Small Diesel Engine Fueled With Biodiesel and Antioxidant Blends”. International Journal of Automotive and Mechanical Engineering, vol. 17, no. 2, July 2020, pp. 7851-7, doi:10.15282/ijame.17.2.2020.04.0585.