Yazid, MZA, and Azreen Zainol. “Environmentally Friendly Approaches Assisted Machining of Aluminum Alloy 7075-T6 for Automotive Applications: A Review”. International Journal of Integrated Engineering, vol. 11, no. 6, Sept. 2019, pp. 18-26, https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/3556.