W. Y. . Kean, W. . Mat Jubadi, and N. Ahmad, “Optional CMOS based Monolithic Light Sensor for Detection of Light Intensity”, IJIE, vol. 13, no. 2, pp. 72–81, Dec. 2020, Accessed: Apr. 15, 2026. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/6494