Contains the keyword productivity

Sethanandha BD. Improving open source software patch contribution process: methods and tools. In: Proceedings of the 33rd International Conference on Software Engineering. New York, NY, USA: ACM; 2011. p. 1134-5. (ICSE '11). Abstract
Adams PJ, Capiluppi A. Bridging the Gap between Agile and Free Software Approaches. International Journal of Open Source Software and Processes. 2009;1(1):58-71. Abstract
Mockus A, Fielding R, Herbsleb JD. Two case studies of open source software development: Apache and Mozilla. ACM Transactions on Software Engineering and Methodology. 2002;11:309-46. Abstract  Download: mockusFieldingHerbsleb2002.pdf (365.14 KB)
Mockus A, Fielding R, Herbsleb J. A Case Study of Open Source Software Development: The Apache Server. Proceedings of the International Conference on Software Engineering (ICSE 2000). 2000. Abstract  Download: mockusapache.pdf (252.28 KB)