F. Nega, Causes and Effects of Cost Overrun on Public Building Construction Projects in Ethiopia, Master thesis, Addis Ababa University, Ethiopia, 2008.
 K. J. Shah, M. R. Apte, “Causes of Delay in Construction of Bridge Girders”, Journal of Mechanical and Civil Engineering, 12(1), pp. 08-12, 2015.
 Y. Rashid, S. Haq, M. S. Aslam, “Effects of delay in construction projects of Punjab-Pakistan: an empirical study”, Journal of Basic and Applied Scientific Research, 3(10), pp. 87-96, 2015.
 G. P. Prabhakar, “Projects and their management: A literature review”, International Journal of Business and Management, 3(8), pp.1-9, 2009.
 O. Torp, A. M. Belay, C. Thodesen, O. J. Klakegg, “Cost Development Over-time at Construction Planning Phase: Empirical Evidence from Norwegian Construction Projects”, Procedia Engineering, 145, pp.1177-1184, 2016.
 H. Lind, F. Brunes, “Explaining cost overruns in infrastructure projects: a new framework with applications to Sweden”, Construction Management and Economics, 33(7), pp.554-568, 2015.
 B. G. Hwang, L. K. Low, “Construction project change management in Singapore: Status, importance, and impact”, International Journal of Project Management, 30(7), pp.817-826, 2012.
 Y. R. Wang, G. E. Gibson, “A study of pre-project planning and project success using ANNs and regression models”, Automation in Construction, 19(3), pp.341-346, 2010.
 S. Mollaoglu-Korkmaz, L. Swarup, D. Riley, “Delivering sustainable, high-performance buildings: Influence of project delivery methods on integration and project outcomes”, Journal of Management in Engineering, 29(1), pp.71-78, 2011.
 Y. Frimpong, J. Oluwoye, L. Crawford, “Causes of delay and cost overruns in the construction of groundwater projects in a developing country; Ghana as a case study”, International Journal of project management, 21(5), pp.321-326, 2003.
 S. A. Assaf, S. Al-Hejji, “Causes of delay in large construction projects”, International journal of project management, 24(4), pp.349-357, 2006.
 P. A. Koushki, K. Al‐Rashid, and N. Kartam, “Delays and cost increases in the construction of private residential projects in Kuwait”, Construction Management and Economics, 23(3), pp.285-294, 2005.
 H. A. Odeyinka, A. Yusuf, “The causes and effects of construction Delays on the cost of a housing project in Nigeria”, Journal of Financial Management and Property and Construction. Vol.2, pp. 31-41, 1997.
 G. S. A. Elawi, M. Algahtany, D. Kashiwagi, “Owners’ Perspective of Factors Contributing to Project Delay: Case Studies of Road and Bridge Projects in Saudi Arabia”, Procedia Engineering, 145, pp.1402-1409, 2015.
 S. D. Anderson, K. R. Molenaar, C. J. Schexnayder, “Final Report for NCHRP Report 574: Guidance for Cost Estimation and Management for Highway Projects During Planning, Programming, and Preconstruction”, National Cooperative Highway Research Program, Transportation Research Board, 2006.
 A. Abbas, Z. U. Din, R. Farooqui, “Achieving Greater Project Success & Profitability through Pre-construction Planning: A Case-based Study”, Procedia Engineering, 145, pp.804-811, 2016.
 M. A. Akhund, A. R. Khoso, U. Memon, S. H. Khahro, “Time Overrun in Construction Projects of Developing Countries”, Imperial Journal of Interdisciplinary Research (IJIR), 3 (5), pp. 127-129, 2017.
 G. E. Gibson, Y. R. Wang, C. S. Cho, M. P. Pappas, “What is pre-project planning, anyway?”, Journal of Management in Engineering, 22(1), pp.35-42, 2006.
 K. Ullah, A. H. Abdullah, S. Nagapan, S. Suhoo, M. S. Khan, “Theoretical framework of the causes of construction time and cost overruns”. In IOP Conference Series: Materials Science and Engineering, 271(1), p. 012032, 2017. http://iopscience.iop.org/article/10.1088/1757-899X/271/1/012032/pdf.
 K. V. Prasad, V. Vasugi, R. Venkatesan, N. S. Bhat, “Critical causes of time overrun in Indian construction projects and mitigation measures”, International Journal of Construction Education and Research, 1-23, 2018, https://doi.org/10.1080/15578771.2018.1499569
 A. R. Khoso, A. H. Memon, A. A. Pathan, M. A. Akhund, “Solid Waste Management Issues in Hyderabad City”, Mehran University Research Journal of Engineering and Technology, 37(3), pp.653-662, 2018.