N. Yeld, C. Bohlmann, and A. Cliff, National Benchmark Tests Project as a National Service to Higher Education(Draft Copy), 2009.

T. Kreutzer, Assessing Cell Phone Usage in a South African Township School, Proceedings, 2008.

T. Kreutzer, Generation Mobile: Online and Digital Media Usage on Mobile Phones among Low-Income Urban Youth in South Africa, 2009.

L. Butgereit, Math on MXit: using MXit as a medium for mathematics education, Meraka INNOVATE Conference for Educators, 2007.

L. Butgereit, Using instant messaging over GPRS to help with school work, 2nd IFIP International Symposium on Wireless Communications and Information Technology in Developing Countries, pp.6-7, 2008.

N. Butcher, Evaluation of the Imfundo yami/yethu Project: Executive Summary, 2009.

D. Macri, The Scalability Problem, Queue, vol.1, issue.10, 2004.
DOI : 10.1145/971564.971594

M. Laitinen, M. E. Fayad, and R. P. Ward, The problem with scalability, Communications of the ACM, vol.43, issue.9, pp.115-118, 2000.

I. Singh, M. Johnson, and B. Stearns, Designing enterprise applications with the J2EE platform, Sun MicroSystems, 2002.

N. Richards and S. Griffith, JBoss A Developer's Notebook, 2005.

B. Van-den-bossche, F. De-turck, and B. Dhoedt, Evaluation of current java technologies for telecom backend platform design, Proceedings of the 2005 International Symposium on Performance Evaluation of Computer and Telecommunication Systems, pp.699-709, 2005.

J. Deruelle, JSLEE and SIP-Servlets Interoperability with Mobicents Communication Platform Next Generation Mobile Applications, Services and Technologies, The Second International Conference on, pp.634-639, 2008.
DOI : 10.1109/ngmast.2008.91

V. Kumlin, Open Source SIP Application Servers For IMS Applications: A Survey, 2007.