Subhan, F., H. Kanwal, M. Sulaiman, M. M. Naeem, M. M. I. Shafiq, U. Sajjad, A. Ajwad, and A. Aqdas. “National Road Crash Injuries – An Estimation and Comparison With Previous National Studies”. The Nucleus, vol. 54, no. 4, Dec. 2017, pp. 210-3, http://202.83.167.189/index.php/Nucleus/article/view/261.