1. Small Groups as Complex Systems: Formation, Coordination, Development, and Adaptation;Arrow,2000
2. Self-efficacy: The Exercise of Control;Bandura,1997
3. Activity theory;Bertelsen,2003
4. Through the Interface: a Human Activity Approach to User Interface Design;Bødker,1991
5. Effects of four computer-mediated communications channels on trust development;Bos,2002