Anwar Syahmi, Mas Fawzi, Shahrul Azmir Osman, and Harrison Lau, “Engine Performance and Exhaust Emission Effect of Increasing Euro5 Diesel Fuel Blended with 7% to 30% Palm Biodiesel ”, J. Adv. Res. Appl. Sci. Eng. Tech., vol. 28, no. 2, pp. 34–40, Oct. 2022.