Othman, Muhammad Izzat Baihaqi, and Yusri Yusof. “The Recycling Aluminium CNC Waste Into Gardening Tools”. Research Progress in Mechanical and Manufacturing Engineering, vol. 4, no. 1, Aug. 2023, pp. 265-9, https://publisher.uthm.edu.my/periodicals/index.php/rpmme/article/view/9119.