Gebru, Hadish, Neeraj Gupta, and Ramesh Nallamothu. “Investigation of the Performance and Emission Character Biodiesel-Diesel Blends in Direct Injection Diesel Engines”. Ethiopian Journal of Science and Sustainable Development 10, no. 2 (September 6, 2023): 60-73. Accessed January 31, 2025. http://213.55.101.19/index.php/EJSSD/article/view/704.