1. What Causes Cost Overrun in Transport Infrastructure Projects?
2. How common and how large are cost overruns in transport infrastructure projects?
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4. L. Koskela, “Application of the new production philosophy to construction”, Center for Integrate Facility Engineering, Stanford Uni., CA, Tech. Rep. 72, Sep. 1992.
5. L. Koskela, An exploration towards a production theory and its application in construction. Dissertation for the degree of Doctor of Technology, VTT technical research center, Finland. 2000