DR. PORAG KALITA. “OBD-II and Catalytic Converter to Maintain Low - Emission from I.C. Engine in India”. International Journal of Computer Engineering in Research Trends 2, no. 10 (October 31, 2015): 655–662. Accessed June 24, 2026. https://www.ijcert.org/index.php/ijcert/article/view/273.