“Performance, Emission, and Optimization of CuO-Doped Ternary Biodiesel in CI Engines”. Indian Journal of Engineering and Materials Sciences (IJEMS) 33, no. 02 (August 12, 2026): 206–222. Accessed August 14, 2026. https://or.niscpr.res.in/index.php/IJEMS/article/view/19823.