1. Casey, Anne Marie and Lorenzen, Michael. (2010). Untapped Potential: Seeking Library Donors Among Alumni of Distance Learning Programs,. in;1; Journal of Library Administration, Routledge, 50 (5), pp. 515-529.
2. Doval, Elena. (coord.). (2011). Cartea albă a”nvăţământului românesc deschis şi la distanţă (The white book of Romanian open and distance learning). Craiova: Editura Universitaria.
3. Eunice, A., Kimball, L., Silber, T. and Weinstein, N. (1998). Boundaryless Facilitation, Pushing the Boundaries: Learning Organization Lessons from the Field, Pamela Dodd (Ed), Kennedy Press.
4. Kimball, Lisa. (2001). Managing Distance Learning - New Challenges for Faculty. In Reza Hazemi. (ed.). The Digital University. Springer.
5. Oblinger, Diana G. (2000). “The Nature and Purpose of Distance Education”. The Technology Source (Michigan: Michigan Virtual University) (March/April). http://technologysource.org/article/nature_and_purpose_of_distance_education/.