Hawkins, R. E. (2004). The economics of open source software for a competitive firm. Netnomics, Vol(6), Issue 2, pp: 103-117.
G. Sigi (2005). Something for nothing: management rejection of open source software in Australia’s top firms. Journal of Information and Management, Vol. 42, pp: 669-681.
Sulayman K. Sowe, Ioannis Stamelos, Angelis Lefteris (2009). The Free and open source Software Development Landscape: Redefining the Database Industry. Journal of Information and Management, Elsevier
Sulayman K. Sowe, I. Stamelos (2008). Involving Software Engineering Students in open source Software Projects: Experiences from a Pilot Study, Journal of Information Systems Education (JISE), Vol. 18 (4), pp: 425-435.