1. The decentered teacher and the construction of social space in the virtual classroom;Anagnostopoulos;Teachers College Record,2005
2. An empirical verification of the community of inquiry framework;Arbaugh;Journal of Asynchronous Learning Networks,2007
3. Does “teaching presence” exist in online MBA courses?;Arbaugh;The Internet and Higher Education,2006
4. A first course in factor analysis;Comrey,1992
5. Online community of inquiry review: Social, cognitive, and teaching presence issues;Garrison;Journal of Asynchronous Learning Networks,2007