1. Privatisation of fixed-rail transit systems: A case study of Malaysia’s STAR and PUTRA;Abdul-Aziz;Canadian Journal of Civil Engineering,2006
2. Valuing public-sector revenue risk exposure in transportation public–private partnerships;Aldrete;Transportation Research Record: Journal of the Transportation Research Board,2012
3. Alves, B. (2010). Spain unveils €17bn PPP plan’s 28 projects. In Infrastructure investor. London: PEI Media.
4. Comparative evaluation of public–private partnerships in roadway preservation;Anastasopoulos;Transportation Research Record: Journal of the Transportation Research Board,2011
5. Burger, P., Tyson, J., Karpowicz, I., & Coelho, M. D. (2009). The effects of the financial crisis on public–private partnerships. In IMF working paper. International Monetary Fund.