Munira Ibrahim, Ireen, Choong-Yeun Liong, Sakhinah Abu Bakar, and Ahmad Farid Najmudd. “Performance Improvement of the Yellow Zone in Emergency Department Using Discrete Event Simulation Approach”. International Journal of Engineering & Technology 7, no. 4.33 (December 9, 2018): 102–105. Accessed September 27, 2024. https://sciencepubco.com/index.php/ijet/article/view/23509.