1. Austeng, K., Torp, O., Midtbø, J.T., Helland, V. and Jordanger, I., 2005. Usikkerhetsanalyse -Metoder. Concept-rapport no. 12. Trondheim: Norwegian University of Science and Technology.
2. The Influence of Optimism Bias on Time and Cost on Construction Projects;Chadee;Emerging Science Journal,,2021
3. Odeck, J., 2017. Variation in cost overruns of transportation projects: an econometric meta-regression analysis of studies reported in the literature. Transportation, 46, pp. 1345-1368
4. Cost Overruns in Public Sector Investment Projects;Sarmento;Public Works Management & Policy,,2017
5. Welde, M., Jørgensen, M., Larssen, P. F. and Halkjelsvik, T., 2019. Estimering av kostnader i store statlige prosjekter: Hvor gode er estimatene og usikkerhetsanalysene i KS2-rapportene? Concept-rapport no. 59. Trondheim: Norwegian University of Science and Technology.