Puoza, Julius Caesar, Tainyao Zhang, Felix Uba, Yakubu Kuusana, and Awudu Ibrahim. “Experimental Optimization of High-Precision Turning Parameters of AL6061 Materials for Automotive Industry Based on Grey Relational Analysis”. International Journal of Automotive and Mechanical Engineering 20, no. 4 (December 26, 2023): 10878 –. Accessed May 20, 2024. https://journal.ump.edu.my/ijame/article/view/9452.