Chan, Yu Xuan, Ee Herng Loh, Ahmad Alabqari Ma'radzi, and Kian Ann Lim. “Development of Self-Sanitizing Door Handle Automation”. Multidisciplinary Applied Research and Innovation 4, no. 2 (January 12, 2023): 295–302. Accessed July 18, 2024. https://penerbit.uthm.edu.my/periodicals/index.php/mari/article/view/8740.