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3. Carr, Sarah. (2000, February 11). As distance education comes of age, the challenge is keeping the students. The Chronicle of Higher Education, pp. A39–A41.
4. Digest of Education Statistics, 1998. (1999, July 15). Chap. 7: Library resources and technology. Washington, D.C.: National Center for Education Statistics, Office of Educational Research and Improvement. Available: http://nces.ed.gov/pubs99/digest98/chapter7.html [Accessed: 21 January 2000].
5. Relocating the value of work;Johnson-Eilola;Technical Communication Quarterly,1996