WASET
    K. Westmoreland Bowers and  Matthew W. Ragas and  Jeffrey C. Neely,  Assessing the Value of Virtual Worlds for Post- Secondary Instructors: A Survey of Innovators, Early Adopters and the Early Majority in Second Life.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2009, vol. 31(7). 1418 - 1428
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/5419.