1. Aigbavboa, C. (2013), “An integrated beneficiary centred satisfaction model for public funded housing schemes in South Africa”, Unpublished PhD thesis, Faculty of Engineering and Built Environment, University of Johannesburg, South Africa.
2. Akadiri, P.O. (2011), “Development of a multi-criteria approach for the selection of sustainable materials for building projects”, Unpublished PhD thesis, University of Wolverhampton, Wolverhampton.
3. Ankrah, N.I. (2007), “An investigation into the impact of culture on construction project performance”, PhD thesis, SEBE, University of Wolverhampton, Wolverhampton.
4. Factors affecting affordable housing cost in Saudi Arabia;International Journal of Housing Markets and Analysis,2010