“A review on Selective Catalytic Reduction technique for diesel engine exhaust after treatment”, Int. J. Curr. Eng. Technol., vol. 1, no. 7.Special Issue, pp. 206–210, Mar. 2017, Accessed: May 04, 2026. [Online]. Available: https://ijcet.evegenis.org/index.php/ijcet/article/view/4452