. Alemam, Abdulbaset. “USING LIFE CYCLE ASSESSMENT AND ANALYTICAL HIERARCHY PROCESS TO EVALUATE THE DESIGN FOR ENVIRONMENTAL OPTIONS: A CASE STUDY ON A CAR ENGINE”. Journal of Engineering Research 18, no. 35 (July 11, 2024): 19. Accessed July 18, 2024. http://uot.edu.ly/journals/index.php/jer/article/view/1163.