1. A conceptual map of software process improvement.;I.Aaen;Scandinavian Journal of Information Systems,2001
2. The impact of software process improvement on quality: in theory and practice
3. Blair, R. B. (2001). Software process improvement: What is the cost? What is the return on investment? Paper presented at the Pittsburgh PMI Chapter meeting.
4. A critical look at software capability evaluations.;T.Bollinger;IEEE Software,2009
5. Butler, K. (1995). The economic benefits of software process improvement. Crosstalk, The Journal of Defense Software Engineering, 14-17.