[1] S. Ismail, “A Systematic Review of Research on Private Finance Initiative (PFI) and Public Private Partnership (PPP),” (en), International Journal of Economics, Management and Accounting, vol. 19, no. 3, 2011.
[2] world bank, Public-Private Partnerships: reference guide, 1st ed. Washington DC, 2012.
[3] S. Durdyev and S. Ismail, “The build-operate-transfer model as an infrastructure privatisation strategy for Turkmenistan,” Utilities Policy, vol. 48, pp. 195–200, 2017.
[4] D. Grimsey and M. K. Lewis, “Evaluating the risks of public private partnerships for infrastructure projects,” (en), International Journal of Project Management, vol. 20, no. 2, pp. 107–118, 2002.
[5] Alison McCowan and Sherif Mohamed, “Evaluation of build-opera te-transfer (bot) project: opportunities in developing countries,” 2002.
[6] Remington, K. and Pollack J., “Tools for Complex Projects,” 2008.
[7] Syed Waqar Azim, “Understanding and Managing Project Complexity,” University of Manchester, Faculty of Engineering and Physical Sciences, 2010.
[8] Baccarini D., “The concept of project complexity—a review.,” Int. J. Proj. Manag, vol. 4, no. 4, 1996.
[9] Tatikonda, M.V., Rosenthal, S.R., “Technology novelty, project complexity, and product development project execution success: a deeper look at task uncertainty in product innovation,” IEEE Trans. Eng. Manag., vol. 47, no. 1, pp. 74–87, 2000.
[10] Pich MT, Christoph H. Loch, Arnoud De Meyer, “On Uncertainty, Ambiguity, and Complexity in Project Management,” Management science, vol. 48, no. 8, pp. 1008–1023, 2002.
[11] J. S. Cristóbal, “Complexity in Project Management,” Procedia Computer Science, vol. 121, pp. 762–766, 2017.
[12] Stephen Carver, 3 Types of Complexity. [Online] Available: www.projectmanagement.com/blog-post/7405/3-Types-of-Complexity?blogName=The-Money-Files&posting=7405.
[13] Bertelsen, Sven and Koskela, Lauri, Ed., AVOIDING AND MANAGING CHAOS IN PROJECTS, 2003.
[14] Remington, K., Zolin, R. and Turner, R., Ed., A Model of Project Complexity: Distinguishing dimensions of complexity from severity, 2008.
[15] M. Saynisch, “Mastering complexity and changes in projects, economy, and society via Project Management Second Order (PM‐2),” (en), Project Management Journal, vol. 41, no. 5, pp. 4–20, 2010.
[16] B. Aritua, N. J. Smith, and D. Bower, “Construction client multi-projects–A complex adaptive systems perspective,” International Journal of Project Management, vol. 27, no. 1, pp. 72–79, 2009.
[17] M. Othman, A. M. Zain, and A. R. Hamdan, “A Review on Project Management and Issues Surrounding Dynamic Development Environment of ICT project: Formation of Research Area,” (en), JDCTA, vol. 4, no. 1, pp. 96–105, 2010.
[18] R. A. yaworsky, “Risk Planing for Larg and BOT Projects: A Holistic Framework,” UBC, Canada, 1994.
[19] Natasa Turina and Diana Car-Pušic, Ed., OVERVIEW OF PPP MODELS AND THE ANALYSIS OF THE OPPORTUNITIES FOR THEIR APPLICATION, 2006.
[20] UNIDO, Ed., Trading Modules of BOT Programme: The Bot Strategy, 1997.
[21] Sharaffudin, H. Al-Mutairi, A., “Success factors for the implementation of the build operate transfer (BOT) projects in Kuwait,” Int. J. Bus. Manag., vol. 10, no. 9, pp. 68–78, 2015.
[22] Khan, A., H. and Jamil, M., and Sattar, M., Ed., The Trend of Build Operate and Transfer (BOT) Projects in Pakistan, 2008.
[23] H. Ç. Demirel, W. Leendertse, L. Volker, and M. Hertogh, “Flexibility in PPP contracts – Dealing with potential change in the pre-contract phase of a construction project,” Construction Management and Economics, vol. 35, no. 4, pp. 196–206, 2016.
[24] Abbas Borzouei, “A Study on the Successful Implementa tion of Infrastructure Projects through BOT,” European Online Journal of Natural and Social Sciences, vol. 2, www.european.com, 2013.
[25] A. KarimiAzari, N. Mousavi, S. F. Mousavi, and S. Hosseini, “Risk assessment model selection in construction industry,” (af), Expert Systems with Applications, vol. 38, no. 8, pp. 9105–9111, 2011.
[26] Walker, C. Smith, A.J., Privatized Infrastructure: The Build Oprate Transfer Approch, 1st ed. London: Thomas Telford, 1995.
[27] A. V. Thomas, “Modelling and assessment of critical risks in BOT road projects,” Construction Management and Economics, no. 24, pp. 407–424, 2006.
[28] Y. Xu et al., “Developing a risk assessment model for PPP projects in China — A fuzzy synthetic evaluation approach,” (en), Automation in Construction, vol. 19, no. 7, pp. 929–943, 2010.
[29] J.-S. Chou, H. P. Tserng, C. Lin, and C.-P. Yeh, “Critical factors and risk allocation for PPP policy: Comparison between HSR and general infrastructure projects,” (en), Transport Policy, vol. 22, pp. 36–48, 2012.
[30] J. R. Turner, Handbook of Project Based Management, 4th ed.: McGraw-Hill, 2014.
[31] A. Jaafari, “Project management in the age of complexity and change,” (en), Project Management Journal, vol. 34, no. 4, pp. 47–58, 2003.
[32] Duc Anh Nguyen, “Improving Public-Private Partnership Contracts through Risk: Characterization, Contract Mechanisms, and Flexibility,” Virginia Polytechnic Institute and State, Blacksburg, Virginia, 2017.
[33] Eshtehardian, E. Khanzadi, M. Farshad, H., “Statistical Analysis to Determine Level of Risk in Existing Uncertainty of Freeway Contracts The BOT Method: Case Study: Saveh Freeway Salafchegan,” shariff, no. 3.2, 3-8, 2015.
[34] A. Mohammadpur, The Experience of Modernization: Investigating Change and Development in Hewraman Region Using Grounded Theory, 1st ed. Tehran: Jameeshenasan, 2014.
[35] M. Ferasatkhah, Qualitative Research Method in Social Sciences with Emphasis on Grounded Theory, 1st ed. Tehran: Nashre Agah, 2017.
[36] DanaeeFard, H. Salehi, A., Research Design: Qualitative, Quantitative, and Mixed Methods Approaches, 1st ed. Tehran: Mehraban Nashr, 2013.
[37] Pierre‐Luc Lalonde and Mario Bourgault and Alain Findeli, “Building pragmatist theories of PM practice: Theorizing the act of project management,” Project Management Journal, vol. 41, no. 5, pp. 21–36, 2010.
[38] DanaeeFard, H. Alvani, M. Azar, A., Qualitative Research Methodology on Management: Comprehensively Approach, 2nd ed. Tehran: Saffar, 2014.