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: Aug. 07, 2026. [Online]. Available: https://journal.uthm.edu.my/index.php/ijie/article/view/8333