Sudhakar, J, and S Srinivasan. “Driver’s Drowsiness Behaviour Detection by Using PSO DPSO Algorithm for Urban Road System”. International Journal of Engineering and Technology 7, no. 3.27 (August 15, 2018): 516–519. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/18474.