WASET
    Elizabeth M. Hodge and  M.H.N. Tabrizi and  Mary A. Farwell and  Karl L. Wuensch,  Virtual Reality Classrooms Strategies for Creating a Social Presence.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    November 2007, vol. 11(11). 688 - 692
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/4780.