Chong, Terence Tai-Leung. “HAS THE 911 INCIDENT INDUCED ANY STRUCTURAL CHANGE IN THE U.S. STOCK MARKET?”. Labuan Bulletin of International Business and Finance (LBIBF) 3 (December 17, 2014): 1–10. Accessed April 7, 2025. https://jurcon.ums.edu.my/ojums/index.php/lbibf/article/view/1423.