1. Berge, Z. L. (1998). Barriers to online teaching in post-secondary institutions. OnlineJournal of Distance education Administration, 1(2) Summer. [Online.]http://www.westga.edu/~distance/Berge 12. html
2. Berge, Z. L. (2001).Sustaining distance training: Integrating learning technologies into the fabric of the enterprise. San Francisco, CA: Jossey-Bass, Inc., Publishers.
3. Berge, Z. L., & Mrozowski, S. (1999). Barriers to online teaching in elementary, secondary, and teacher education.Canadian Journal of Educational Communication, 27(2), 59–72.
4. Betts, K. S. (1998).Factors influencing faculty participation in distance education in postsecondary education in the United States: Aninstitutional study. Doctoral Dissertation. The George Washington University. [summary online] [Retrieved September 8, 2000.]http://www.westga.edu/~distancelbetts13.html
5. Moore, M. G. (1994). Administrative barriers to adoption of distance education.The American Journal of Distance Education, 8 (3), 1–4.