1. Evaluating the effectiveness of distance learning: A comparison using meta-analysis;Allen;Journal of Communication,2004
2. Class differences: Online education in the United States 2010;Allen,2010
3. Web-based instruction in sport management;Bennett;Sport Management Review,2002
4. Biocca, F., Burgoon, J., Harms, C., & Stoner, M. (2001, May). Criteria and scope conditions for a theory and measure of social presence. Paper presented at PRESENCE 2001, Philadelphia, PA.
5. Web-based implementation of the personalized system of instruction: A case study of teaching mathematics in an online learning environment;Brinkman;International Journal of Web-Based Learning and Teaching Technologies,2007