1. enago OSP (Open Service Platform), http://www.ikv.de/content/Produkte/osp_e.htm
2. Heeks, R.: eGovernment in Africa: Promise and Practice, Institute for Development Policy and management, University of Manchester, UK, iGovernment Working Paper Series, Paper No. 13 (2002)
3. Jensen, M.: Information and Communication Technologies (ICTs) in Africa – A Status Report, Presented to third task force meeting, UN ICT Task Force, September 30 (2002)
4. Language use and language interaction in South Africa, Final report on a national sociolinguistic survey, PANSALB, Pretoria (March 2001)
5. http://www.pansalb.org.za/