M, Prabhahar, et al. “Enhanced Performance and Emission Characteristics of Soybean Biodiesel Using TiO2 Nanoparticles in CRDI Engines: A Comprehensive Analysis”. International Research Journal of Multidisciplinary Technovation, vol. 7, no. 1, Jan. 2025, pp. 203-18, https://doi.org/10.54392/irjmt25114.