Kolakoti, A., and B. V. Appa Rao. “Relative Testing of Neat Jatropha Methyl Ester by Preheating to Viscosity Saturation in IDI Engine - An Optimisation Approach”. International Journal of Automotive and Mechanical Engineering, vol. 17, no. 2, Aug. 2020, pp. 8052-66, doi:10.15282/ijame.17.2.2020.23.0604.