Abdul Razak, Siti Fatimah, Sharifah N. M. Sayed Ismail, Bryan Hii Ben Bin, Sumendra Yogarayan, Mohd Fikri Azli Abdullah, and Noor Hisham Kamis. “Monitoring Physiological State of Drivers Using In-Vehicle Sensing of Non-Invasive Signal”. Civil Engineering Journal 10, no. 4 (April 1, 2024): 1221–1231. Accessed July 1, 2025. https://www.civilejournal.org/index.php/cej/article/view/4642.