1. Boundary crossing and boundary objects;Akkerman;Review of Educational Research,2011
2. Assessing teaching presence in a computer conferencing context?;Anderson;Journal of Asynchronous Learning Networks,2001
3. Time, change and development: Temporal perspective on groups;Arrow;Small Group Research,2004
4. When smart groups fail;Barron;The Journal of the Learning Sciences,2003
5. Scripted and unscripted aspects of creative work with knowledge;Bereiter,2017