1. 1. Sadi A. Assaf , Sadiq Al-Hejji. “Causes of delay in large construction projects” International Journal of Project Management 24 (2006) 349–357
   2. Msafiri Atibu Seboru. “An Investigation into Factors Causing Delays in Road Construction Projects in Kenya”. American Journal of Civil Engineering. Vol. 3, No. 3, 2015, pp. 51-63. doi: 10.11648/j.ajce.20150303.11
   3. Ram Singh, “Delays and Cost Overruns in Infrastructure Projects: Extent, Causes and Remedies”, Economic and Political Weekly, Vol.21. May 22, 2010, PP 43-54.
   4. Chitkara, K.K. (2011), “Construction Project Management - Planning, Scheduling and Controlling”, 2nd Edition, Tata McGraw Hills.
   5. Lee, Jin-Kyung. (2008), “Cost Overrun and Cause in Korean Social Overhead Capital Projects: Roads, Rails, Airports, and Ports”, Journal of Urban Planning and Development, Vol. 134, No. 2, 59-62.
   6. Apolot, Ruth. Alinaitwe, Henry. & Tindiwensi, Dan. 2012) , “An Investigation into the Causes of Delay and Cost Overrun in Uganda‟s Public Sector Construction Projects”, Second International Conference on Advances in Engineering and Technology.
   7. Kasimu, M. A. (2012), “Significant Factors that Causes Cost Overruns in Building Construction Project in Nigeria”, Interdisciplinary Journal of Contemporary Research in Business, Vol. 3, No. 11, 775-700.
   8. Doloi, Hemanta. (2012), “Cost overruns and failure in project management - understanding the roles of key stakeholders in construction projects”, Journal of Construction Engineering and Management, www.ascelibrary.org, doi:10.1061/(ASCE)CO.1943- 7862.0000621.