M. Alginahi, Y., M. N. Kabir, and A. I. Mohamed. “Optimization of High-Crowd-Density Facilities Based on Discrete Event Simulation”. Malaysian Journal of Computer Science, vol. 26, no. 4, Dec. 2013, pp. 312-29, https://juku.um.edu.my/index.php/MJCS/article/view/6789.