V. R. Basili, Software modeling and measurement: The Goal/Question/Metric paradigm, 1992.

O. R. Burzynski, A. R. Graeml, and Z. Balbinot, THE INTERNATIONALIZATION OF THE SOFTWARE MARKET: OPPORTUNITIES AND CHALLENGES FOR BRAZILIAN COMPANIES, JISTEM Journal of Information Systems and Technology Management, vol.7, issue.3, pp.499-516, 2010.
DOI : 10.4301/S1807-17752010000300001

A. Capiluppi, J. Feller, B. Fitzgerald, S. Hissam, K. Lakhani et al., First International Workshop on Emerging Trends in FLOSS Research and Development, 29th International Conference on Software Engineering (ICSE'07 Companion), pp.135-136, 2007.
DOI : 10.1109/ICSECOMPANION.2007.39

C. Dibona, S. Ockman, and M. Stone, Open Sources: Voices from the Open Source Revolution, 1999.

C. J. Dueñas, H. A. Parada, G. , F. Cuadrado, M. Santillán et al., Apache and Eclipse: Comparing Open Source Project Incubators, IEEE Software, vol.24, issue.6, pp.90-98, 2007.
DOI : 10.1109/MS.2007.157

F. Duijnhouwer and C. Widdows, Capgemini, Capgemini Expert Letter Open Source Maturity Model, 2003.

G. Goth, Sprinting toward Open Source Development, IEEE Software, vol.24, issue.1, pp.88-91, 2007.
DOI : 10.1109/MS.2007.28

W. Humphrey, Characterizing the software process: a maturity framework, IEEE Software, vol.5, issue.2, pp.73-79, 1988.
DOI : 10.1109/52.2014

URL : http://www.dtic.mil/get-tr-doc/pdf?AD=ADA182895

M. Birendra, P. Ashutosh, and R. Srinivasan, Quality and Profits Under Open Source Versus Closed Source, ICIS 2002 Proceedings. Paper 32, 2002.