6Zhang, X.Q. and Mohan M. Kumaraswamy,Procurement Protocols for Public-Private Partnered Projects. Journal of Construction Engineering and Management, 2001.
7Marcus Ahadzi, Graemebowles, Public-Private Partnership and Contract Negotiations: an empirical study.Construction Management and Economics, 2004.
8Ronsen, Oddvar Sten. Requirements of Successful Public Private Partnership Projects-Risk Allocation between the Private and Public Sectors. Seminar Public Private Partnerships (PPP) - Global Experience and Challenges in Russia, Feb 10, 2005. Moscow.