Wesley, K. .K., and B. .J. Lumumba. “The Effect of Terrorism on Kenya’s Securities Market: The Case of The Nairobi Securities Exchange”. Operations Research Society of Eastern Africa, vol. 3, no. 3, Dec. 2013, pp. 66-111, https://orseajournal.udsm.ac.tz/index.php/orsea/article/view/10.