Affandi , Nurfairuz Nadirah, Khairul Fikri Tamrin, Amir Azam Khan, Kaveh Moghadasi, Mohd Ridzuan Mohamad Sharip, Shahrol Mohamaddan, and Anamul Hossain. 2020. “A Feasibility Study Of Low-Power Laser Trepanning Drilling Of Composite Using Modified DVD Writer”. International Journal of Integrated Engineering 12 (3): 187-96. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/5357.