S. . Nurulain, H. . Manap, M. . Zawawi, and R. . Ramli, “Intensity Stability Comparison Between Different Colors of Laser Pointer”, ijie, vol. 15, no. 1, pp. 259–264, Apr. 2023, Accessed: Jul. 06, 2024. [Online]. Available: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/8333