1. The development of a Community of Inquiry over time in an online course: Understanding the progression and integration of social, cognitive and teaching presence;Akyol;Journal of Asynchronous Learning Networks,2008
2. Understanding cognitive presence in an online and blended community of inquiry: Assessing outcomes and processes for deep approaches to learning;Akyol;British Journal of Educational Technology,2011
3. Assessing teaching presence in a computer conferencing context;Anderson;Journal of Asynchronous Learning Networks,2001
4. Creating social presence in online environments;Aragon,2003