H. Min, International intermodal choices via chance-constrained goal programming, Transportation Research Part A: General, 25(6) (1991) 351-362.
 F. Wilson, B. Bisson, K. Kobia, Factors That Determine Mode Choice 1n the Transportation of General Freight, (1986).
 K. Arunotayanun, J. Polak, Taste heterogeneity in freight shippers’ mode choice behaviour, in: Proceedings, 86th Annual Meeting of the Transportation Research Board, Washington DC, 2007, pp. 21-25.
 P.T. Evers, D.V. Harper, P.M. Needham, The determinants of shipper perceptions of modes, Transportation journal, (1996) 13-25.
 M.A. McGinnis, Shipper attitudes toward freight transportation choice: a factor analytic study, International Journal of Physical Distribution & Materials Management, 10(1) (1979) 25-34.
 O. Norojono, W. Young, A stated preference freight mode choice model, Transportation Planning and Technology, 26(2) (2003) 1-1.
 A. Samimi, K. Kawamura, A. Mohammadian, A disaggregate analysis of rail-truck mode choice behaviors for freight shipments, 2011.
 E. Rahimi, H. Amini, A. Samimi, The Mode choice modeling of freight transportation; case of Iran, in: 13th International conference on traffic and transportation engineering (ICTTE13), Tehran, 2013. (In Persian)
 A. McKinnon, CO2 Emissions from Freight Transport in the UK, Report prepared for the Climate Change Working Group of the Commission for Integrated Transport, (2007).
 Energy Balance Sheet, Ministry of Energy, Department of Electricity and Energy Affairs, 2010. (In Persian)
 M. Penning, S. Oades, Retailers using rail freight to make cost and carbon savings, Mode Shift Centre. Email: firstname.lastname@example.org.
 F. Ackerman, E.A. Stanton, The social cost of carbon, Economics for Equity and Environment (E3 Network). Available online at http://www.e3network.org/papers/SocialCostOfCarbon_SEI_20100401.pdf, (2010).
 E. Cefic, Guidelines for Measuring and Managing CO2 Emission from Freight Transport Operations, Cefic Report, 1 (2011) 1-18.
 K. Bhalla, M. Naghavi, S. Shahraz, D. Bartels, C.J. Murray, Building national estimates of the burden of road traffic injuries in developing countries from all available data sources: Iran, Injury Prevention, 15(3) (2009) 150-156.
 E. Ainy, H. Soori, M. Ganjali, H. Le, T. Baghfalaki, Estimating cost of road traffic injuries in Iran using willingness to pay (WTP) method, PLoS One, 9(12) (2014) e112721.
 Statistical Yearbook of Road Transportation, I.R of Iran Road Maintenance & Transportation Organization, 2010. (In Persian)
 Statistical Yearbook of Rail Transportation, Islamic Republic of Iran Railways, 2010. (In Persian)
 Transportation Energy Data Book, Iranian Fuel Conservation Company, 2010. (In Persian)
 A. Ataie, A. Azhdari, The Assessment of Road Accidents in The Context of Socio-demographic Costs, I.R. Majlis Research Center, Tehran, Iran, 2011. (In Persian)
 Bills of Loading for Rail and Road Sectors, in: I.R of Iran Road Maintenance & Transportation Organization, 2011. (In Persian)
 Trading Economics, in., Website: https://tradingeconomics.com
 M. Yaghini, The Statistical analysis of Iran’s railroad accidents, in: 3rd National Conference of Roadway, Railway and Arial accidents, Zanjan, Iran, 2012. (In Persian)
 N. Pourmoalem, Road Safety, I.R. Ministry of roads and Transportation, 2011.
 Statistical Yearbook of Road Transportation, I.R of Iran Road Maintenance & Transportation Organization, 2011. (In Persian)
 Statistical Yearbook of Rail Transportation, Islamic Republic of Iran Railways, 2011. (In Persian).