Indika Perera Colin Allison Ross Nicoll Thomas Sturgeon Towards successful 3D virtual learning - a case study on teaching human computer interaction. 1-6 2009 ICITST https://doi.org/10.1109/ICITST.2009.5435085 conf/icitst/2009 db/conf/icitst/icitst2009.html#PereraANS09