R. B. Nallamothu, A. K. Nallamothu, S. K. Nallamothu, N. K. Injeti, and V. A. R. Basava, “Effect of injection timing in multiple injections on NOx and smoke from CRDI diesel engine fueled with biodiesel blend”, EJSSD, vol. 5, no. 2, pp. 93 - 104, Feb. 2019.