Zamin, N, N I. Arshad, N Rafiey, and A S. Hashim. “Robotic Teaching Aid for Disabled Children: A Sustainable Solution for Industrial Revolution 4.0”. International Journal of Engineering and Technology 7, no. 2.28 (May 16, 2018): 200–203. Accessed May 23, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/12912.