N. N. Affandi, “A Feasibility Study Of Low-Power Laser Trepanning Drilling Of Composite Using Modified DVD Writer”, IJIE, vol. 12, no. 3, pp. 187–196, Feb. 2020, Accessed: Aug. 07, 2026. [Online]. Available: https://journal.uthm.edu.my/index.php/ijie/article/view/5357