Shah, A. N., G. . E. Y.-. shan, T. J.-. wei, and H. Chao. “Effects of Biodiesel from Soybean Oil on the Exhaust Emissions of a Turbocharged Diesel Engine: Effects of Biodiesel on Exhaust Emissions of Diesel Engine”. Biological Sciences - PJSIR, vol. 52, no. 4, Aug. 2009, pp. 217-2, https://v2.pjsir.org/index.php/biological-sciences/article/view/550.