Virtual Spaces Applied to Tele-Learning - an M2COTS Approach. - Yuki Sogabe; Hironao Mase; Marion R. Finley Jr. (WebNet, 2000)

Steps towards the Design of Attractive Virtual Spaces for Tele-Learning. - Marion R. Finley Jr.; Yuki Sogabe (WebNet, 2001)

Design and Construction of Virtual Spaces for Communications. - Yuki Sogabe (AINA Workshops (2), 2007)