J. Kadhim, A., B. Abdljabar, M. and S. Kareem, .S. (2013) “Cost-Benefit Analysis of Kirkuk Sulymaniya Railway Project”, Journal of Engineering and Sustainable Development, 17(2), pp. 210–232. Available at: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1125 (Accessed: 22 January 2025).