Group cognition computer support for building collaborative knowledge / [electronic resource] :
Gerry Stahl.
- Cambridge, Mass. : MIT Press, c2006.
- viii, 510 p. : ill.
- Acting with technology .
- Acting with technology. .
Includes bibliographical references (p. [479]-498) and indexes.
Electronic reproduction. Palo Alto, Calif. : ebrary, 2013. Available via World Wide Web. Access may be limited to ebrary affiliated libraries.