How to Run a Successful Free Software Project, 2005. ,
Succeeding with Open Source, 2004. ,
http://www.gurux.fi/index.php?q=OpenSource. Last visited, 2009. ,
http://www.opensource.org/licenses, 2009. ,
Online Communities: Designing Usability, 2000. ,
The Cathedral and the Bazaar. O'Reilly Media, 1999. ,
Open source community building. licentiate thesis, 2005. 11. the Symbian Foundation, 2009. ,