Jamaleswara Kumar, P., A. Siva Sai Tarun, M. Gowtham, P. Thamma Rao, and G. Yashwanth. “Design and Fabrication of Portable Laser Cutting and Engraving Machine”. International Journal of Engineering & Technology 7, no. 1.1 (December 21, 2017): 570–573. Accessed May 3, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/10170.