S. Shakibaei and P. Alpkokin, Deregulation of Turkish State Railways Based on Public-Private Partnership Approaches. journal = {International Journal of Transport and Vehicle Engineering}, [online]. World Academy of Science, Engineering and Technology. August 2017, vol. 129(9). 1303 - 1309 [viewed 19 March 2024]. Available from: https://publications.waset.org/pdf/10007992.