Negotiation and the coordination of information and activity in distributed software problem management, Sandusky, R. J., and Gasser L. , International ACM SIGGROUP Conference on Supporting Group Work, Sanibel Island, Florida, USA, p.187-196, (2005)

A statistical framework for analyzing the duration of software projects, Sentas, P., Angelis Lefteris, and Stamelos Ioannis , Empirical Software Engineering, Volume 13, Number 2, p.147-184, (2008)

Identifying knowledge brokers that yield software engineering knowledge in OSS projects, Sowe, Sulayman K., Stamelos Ioannis, and Angelis Lefteris , Information and Software Technology, Volume 48, Number 11, p.1025-1033, (2006)

Code quality analysis in open source software development, Stamelos, Ioannis, Angelis Lefteris, Oikonomou A., and Bleris G. L. , Information Systems Journal, Volume 12, Number 1, p.43-60, (2002)