1. Kile JF (2005) The Importance of effective requirements management in offshore software development projects. Doctoral dissertation, Pace University
2. Nguyen V, Steece B, Boehm B (2008) A constrained regression technique for COCOMO calibration. In: Proceedings of the second ACM-IEEE international symposium on empirical software engineering and measurement. ACM, pp 213–222
3. Anderson SD, Molenaar KR, Schexnayder CJ (2007) Guidance for cost estimation and management for highway projects during planning, programming, and preconstruction, vol 574. Transportation Research Board, Washington, DC
4. Wallace L, Keil M (2004) Software project risks and their effect on outcomes. Commun ACM 47(4):68–73
5. Ashiegbu BC, Ahaiwe J (2011) Software cost drivers and cost estimation in Nigeria. Interdiscip J Contemp Res Bus 3(8):431