Khairi Azri Kamal Arifin (2024) “Preliminary Design of the Wheelchair Elevation Support Unit (WES)”, International Journal of Integrated Engineering, 16(8), pp. 246–255. Available at: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/18199 (Accessed: 8 April 2026).