Abhijith B R, Amal Nair, and Ajayakumar A G. 2018. “ADVANCED EXHAUST STREAM AIR FILTER FOR HEAVY DUTY TRANSPORT VEHICLES”. International Journal of Advance Engineering and Research Development (IJAERD) 5 (4):1847-50. https://www.ijaerd.org/index.php/IJAERD/article/view/3293.