1. Perspectives on Human Communication;WAHLSTROM,1992
2. 'Self-compassion is associated with reduced self-presentation concerns and increased student communication behavior';Long;Learning and Individual Differences,2018
3. Modes of interaction;Friesen,2013
4. Moore, M. G., & Kearsley, G. G. (1996). Distance education: A system view (No. C10 20). Wadsworth.
5. Distance learning: Making connections across virtual space and time;Picciano,2001