Hiltz, S. (1990) ‘Evaluating the Virtual Classroom’, in Harasim, L. (ed.) Online Education: Perspectives on a New Environment New York: Praeger, pp. 133-169
Hiltz, S. (1990) ‘Evaluating the Virtual Classroom’, in Harasim, L. (ed.) Online Education: Perspectives on a New Environment New York: Praeger, pp. 133-169