* An empirical investigation of virtual Interaction in supporting learning, Jinwei Cao, Janna M. Crews, Ming Lin, Judee K. Burgoon, Jay F. Nunamaker, Jr., July 2008, SIGMIS Database , Volume 39 Issue 3, Publisher: ACM

* Collaboration and learning within immersive virtual reality, Randolph L. Jackson, Eileen Fagan, September 2000, CVE '00: Proceedings of the third international conference on Collaborative virtual environments, Publisher: ACM