Abdulrahim, A. T., Usmah, M. and Alkali, B. (2004) “Developments in Automobile Emission Control”, ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT, 4, pp. 71-77. Available at: https://azojete.com.ng/index.php/azojete/article/view/325 (Accessed: 3October2022).