Jun Zhang, and Mark S. Ackerman. Proceedings of the 2005 international ACM SIGGROUP conference on Supporting group work, page 71-80. Sanibel Island, Florda, ACM Press, (2005)
Jun Zhang, and Mark S. Ackerman. Proceedings of the 2005 international ACM SIGGROUP conference on Supporting group work, page 71-80. Sanibel Island, Florda, ACM Press, (2005)