Katherine G. Franceschi Ronald M. Lee David Hinds Engaging E-Learning in Virtual Worlds: Supporting Group Collaboration. 7 2008 conf/hicss/2008 HICSS http://doi.ieeecomputersociety.org/10.1109/HICSS.2008.146 db/conf/hicss/hicss2008.html#FranceschiLH08