Open Science Research Excellence
Teresa Coffman and  Mary Beth Klinger,  Utilizing Virtual Worlds in Education: The Implications for Practice.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology. November 2007, vol. 11(11). 612 - 616[viewed 18 July 2019]. Available from: http://waset.org/publications/3382.