1. Ahmed S. Azher S. Castillo M. Kappagantula P. (2002). "Construction Delays in Florida: An Empirical Study". Final Report Florida International. Available at: http://www.cm.fiu.edu/pdfs/Research_Reports/Delays_Project.pdf.
2. Construction delay: a quantitative analysis
3. Causes of delay in large construction projects
4. Ballard G. (1993). "Lean Construction and EPC Performance Improvement". In: Proceedings of the 1 st Annual Conference of IGLC Finland. Available at: http://www.leanconstruction.org/media/docs/LEAN_EPC.pdf.
5. Borcherding J.D. (1972) "An Exploratory Study of Attitudes That Affect Human Resources in Building and Industrial Construction". Technical Report No. 159 Stanford University.